message
stringlengths
2
20.2k
message_type
stringclasses
2 values
message_id
int64
0
1
conversation_id
int64
757
108k
cluster
float64
4
4
__index_level_0__
int64
1.51k
217k
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Mister B once received a gift: it was a book about aliens, which he started read immediately. This book had c pages. At first day Mister B read v0 pages, but after that he started to speed up. ...
instruction
0
73,010
4
146,020
Yes
output
1
73,010
4
146,021
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Mister B once received a gift: it was a book about aliens, which he started read immediately. This book had c pages. At first day Mister B read v0 pages, but after that he started to speed up. ...
instruction
0
73,011
4
146,022
No
output
1
73,011
4
146,023
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Mister B once received a gift: it was a book about aliens, which he started read immediately. This book had c pages. At first day Mister B read v0 pages, but after that he started to speed up. ...
instruction
0
73,012
4
146,024
No
output
1
73,012
4
146,025
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Mister B once received a gift: it was a book about aliens, which he started read immediately. This book had c pages. At first day Mister B read v0 pages, but after that he started to speed up. ...
instruction
0
73,013
4
146,026
No
output
1
73,013
4
146,027
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Mister B once received a gift: it was a book about aliens, which he started read immediately. This book had c pages. At first day Mister B read v0 pages, but after that he started to speed up. ...
instruction
0
73,014
4
146,028
No
output
1
73,014
4
146,029
Provide tags and a correct Python 3 solution for this coding contest problem. You have decided to watch the best moments of some movie. There are two buttons on your player: 1. Watch the current minute of the movie. By pressing this button, you watch the current minute of the movie and the player automatically pro...
instruction
0
73,690
4
147,380
Tags: greedy, implementation Correct Solution: ``` n,k = map(int,input().split()) now, reslt = 1, 0 for i in range(n): x,y = map(int,input().split()) reslt += (x - now)%k + y - x + 1 now = y + 1 print(reslt) ```
output
1
73,690
4
147,381
Provide tags and a correct Python 3 solution for this coding contest problem. You have decided to watch the best moments of some movie. There are two buttons on your player: 1. Watch the current minute of the movie. By pressing this button, you watch the current minute of the movie and the player automatically pro...
instruction
0
73,691
4
147,382
Tags: greedy, implementation Correct Solution: ``` n, x = map(int, input().split()) rpos = 1 ans = 0 for i in range(n): l, r = map(int, input().split()) ans += ((l - rpos) // x) * x rpos = r + 1 print(r - ans) ```
output
1
73,691
4
147,383
Provide tags and a correct Python 3 solution for this coding contest problem. You have decided to watch the best moments of some movie. There are two buttons on your player: 1. Watch the current minute of the movie. By pressing this button, you watch the current minute of the movie and the player automatically pro...
instruction
0
73,692
4
147,384
Tags: greedy, implementation Correct Solution: ``` #!/usr/bin/env python def main(): n, x = [int(c) for c in input().split()] time = res = 0 for i in range(n): l, r = [int(c) - 1 for c in input().split()] time += x * ((l - time) // x) tmp = r - time + 1 time += tmp r...
output
1
73,692
4
147,385
Provide tags and a correct Python 3 solution for this coding contest problem. You have decided to watch the best moments of some movie. There are two buttons on your player: 1. Watch the current minute of the movie. By pressing this button, you watch the current minute of the movie and the player automatically pro...
instruction
0
73,693
4
147,386
Tags: greedy, implementation Correct Solution: ``` n, x = [int(x) for x in input().split()] p = 1 ans = 0 for i in range(n): l, r = [int(x) for x in input().split()] p += (l - p) // x * x ans += r - p + 1 p = r + 1 print(ans) ```
output
1
73,693
4
147,387
Provide tags and a correct Python 3 solution for this coding contest problem. You have decided to watch the best moments of some movie. There are two buttons on your player: 1. Watch the current minute of the movie. By pressing this button, you watch the current minute of the movie and the player automatically pro...
instruction
0
73,694
4
147,388
Tags: greedy, implementation Correct Solution: ``` n, x = map(int, input().split()) t = 1 final = 0 for i in range(n): l, r = map(int, input().split()) final += ((l-t) % x)+(r-l)+1 t = r+1 print(final) ```
output
1
73,694
4
147,389
Provide tags and a correct Python 3 solution for this coding contest problem. You have decided to watch the best moments of some movie. There are two buttons on your player: 1. Watch the current minute of the movie. By pressing this button, you watch the current minute of the movie and the player automatically pro...
instruction
0
73,695
4
147,390
Tags: greedy, implementation Correct Solution: ``` s = list(map(int,input().split())) t=0 last = 1 for _ in range(s[0]): l = list(map(int,input().split())) a = ((l[0]-last)//s[1])*s[1] t+= l[1]-a - (last-1) last =l[1]+1 print(t) ```
output
1
73,695
4
147,391
Provide tags and a correct Python 3 solution for this coding contest problem. You have decided to watch the best moments of some movie. There are two buttons on your player: 1. Watch the current minute of the movie. By pressing this button, you watch the current minute of the movie and the player automatically pro...
instruction
0
73,696
4
147,392
Tags: greedy, implementation Correct Solution: ``` n, x = map(int, input().split()) p = 1 c = 0 for i in range(n): l, r = map(int, input().split()) while l - p >= x: p += x c += r - p + 1 p = r + 1 print(c) ```
output
1
73,696
4
147,393
Provide tags and a correct Python 3 solution for this coding contest problem. You have decided to watch the best moments of some movie. There are two buttons on your player: 1. Watch the current minute of the movie. By pressing this button, you watch the current minute of the movie and the player automatically pro...
instruction
0
73,697
4
147,394
Tags: greedy, implementation Correct Solution: ``` vals = [int(n) for n in input().split()] n = vals[0] x = vals[1] start = 1 result = 0 for _ in range(n): moment = [int(n) for n in input().split()] result += ((moment[0]-start)%x) + moment[1] - moment[0] + 1 start = moment[1]+1 print(result) ```
output
1
73,697
4
147,395
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You have decided to watch the best moments of some movie. There are two buttons on your player: 1. Watch the current minute of the movie. By pressing this button, you watch the current minut...
instruction
0
73,698
4
147,396
Yes
output
1
73,698
4
147,397
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You have decided to watch the best moments of some movie. There are two buttons on your player: 1. Watch the current minute of the movie. By pressing this button, you watch the current minut...
instruction
0
73,699
4
147,398
Yes
output
1
73,699
4
147,399
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You have decided to watch the best moments of some movie. There are two buttons on your player: 1. Watch the current minute of the movie. By pressing this button, you watch the current minut...
instruction
0
73,700
4
147,400
Yes
output
1
73,700
4
147,401
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You have decided to watch the best moments of some movie. There are two buttons on your player: 1. Watch the current minute of the movie. By pressing this button, you watch the current minut...
instruction
0
73,701
4
147,402
Yes
output
1
73,701
4
147,403
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You have decided to watch the best moments of some movie. There are two buttons on your player: 1. Watch the current minute of the movie. By pressing this button, you watch the current minut...
instruction
0
73,702
4
147,404
No
output
1
73,702
4
147,405
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You have decided to watch the best moments of some movie. There are two buttons on your player: 1. Watch the current minute of the movie. By pressing this button, you watch the current minut...
instruction
0
73,703
4
147,406
No
output
1
73,703
4
147,407
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You have decided to watch the best moments of some movie. There are two buttons on your player: 1. Watch the current minute of the movie. By pressing this button, you watch the current minut...
instruction
0
73,704
4
147,408
No
output
1
73,704
4
147,409
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You have decided to watch the best moments of some movie. There are two buttons on your player: 1. Watch the current minute of the movie. By pressing this button, you watch the current minut...
instruction
0
73,705
4
147,410
No
output
1
73,705
4
147,411
Provide tags and a correct Python 3 solution for this coding contest problem. The king Copa often has been reported about the Codeforces site, which is rapidly getting more and more popular among the brightest minds of the humanity, who are using it for training and competing. Recently Copa understood that to conquer ...
instruction
0
74,492
4
148,984
Tags: implementation Correct Solution: ``` #B=[int(z)for z in input().split('.')] #D=[int(z)for z in input().split('.')] #if B[2]-D[2]<18: # print('NO') #elif B[2]-D[2]>18: # print('YES') #else: # if B[1]>D[1]: # print('YES') # elif B[1]<D[1]: # print('NO') # else: # if B[0]>=D[0]: #...
output
1
74,492
4
148,985
Provide tags and a correct Python 3 solution for this coding contest problem. The king Copa often has been reported about the Codeforces site, which is rapidly getting more and more popular among the brightest minds of the humanity, who are using it for training and competing. Recently Copa understood that to conquer ...
instruction
0
74,493
4
148,986
Tags: implementation Correct Solution: ``` from itertools import permutations def parse(s): return tuple(map(int, s.strip().split('.'))) def win(birth): #print('birth:', birth) print('YES') import sys; sys.exit() # jan feb mar apr may jun jul aug sep oct nov dec days_in_month = [31, 28, 31, 30,...
output
1
74,493
4
148,987
Provide tags and a correct Python 3 solution for this coding contest problem. The king Copa often has been reported about the Codeforces site, which is rapidly getting more and more popular among the brightest minds of the humanity, who are using it for training and competing. Recently Copa understood that to conquer ...
instruction
0
74,494
4
148,988
Tags: implementation Correct Solution: ``` from itertools import * import sys m=[32,29,32,31,32,31,32,32,31,32,31,32] s,t=[map(int,input().split('.')) for _ in range(2)] g=False a,b,c=s for d,e,f in permutations(t): g|=b<13 and e<13 and a<m[b-1]+(b==2)*(c%4==0)and d<m[e-1]+(e==2)*(f%4==0)and(c-f>18 or(c-f==18 and(b>e ...
output
1
74,494
4
148,989
Provide tags and a correct Python 3 solution for this coding contest problem. The king Copa often has been reported about the Codeforces site, which is rapidly getting more and more popular among the brightest minds of the humanity, who are using it for training and competing. Recently Copa understood that to conquer ...
instruction
0
74,495
4
148,990
Tags: implementation Correct Solution: ``` d,m,y = map(int,input().split('.')) a,b,c = map(int,input().split('.')) months = [0,31,28,31,30,31,30,31,31,30,31,30,31] count = 0 while(count <6): if b < c and c in range(13) and months[c] >= a + (b%4 == 0 and b ==2) : temp = b b = c c = temp ...
output
1
74,495
4
148,991
Provide tags and a correct Python 3 solution for this coding contest problem. The king Copa often has been reported about the Codeforces site, which is rapidly getting more and more popular among the brightest minds of the humanity, who are using it for training and competing. Recently Copa understood that to conquer ...
instruction
0
74,496
4
148,992
Tags: implementation Correct Solution: ``` def checkDOB(a,b,c,d,e,f): # 1 incremented to use < instead of <= below(codegolfing) days=[32,29,32,31,32,31,32,32,31,32,31,32,32,30,32,31,32,31,32,32,31,32,31,32] # if(f-c>18 || (f-c==18 && (e-b>0 || (e-b==0&&d>=a) ) ) ):return true if( b<13 and e<13 and a<days[12*(c%4==0)+...
output
1
74,496
4
148,993
Provide tags and a correct Python 3 solution for this coding contest problem. The king Copa often has been reported about the Codeforces site, which is rapidly getting more and more popular among the brightest minds of the humanity, who are using it for training and competing. Recently Copa understood that to conquer ...
instruction
0
74,497
4
148,994
Tags: implementation Correct Solution: ``` t = tuple(map(int, input().split('.'))) dc = (0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31) def f(d, m, y): if m not in range(13) or d > dc[m] + (m == 2 and y % 4 == 0): return False else: return t[2] - y > 18 or t[2] - y == 18 and (m, d) <= ...
output
1
74,497
4
148,995
Provide tags and a correct Python 3 solution for this coding contest problem. The king Copa often has been reported about the Codeforces site, which is rapidly getting more and more popular among the brightest minds of the humanity, who are using it for training and competing. Recently Copa understood that to conquer ...
instruction
0
74,498
4
148,996
Tags: implementation Correct Solution: ``` import itertools as it month_to_days_non_leap = { 1: 31, 2: 28, 3: 31, 4: 30, 5: 31, 6: 30, 7: 31, 8: 31, 9: 30, 10: 31, 11: 30, 12: 31, } def month_year_to_day(month, year): if year % 4 == 0 and month == 2: return ...
output
1
74,498
4
148,997
Provide tags and a correct Python 3 solution for this coding contest problem. The king Copa often has been reported about the Codeforces site, which is rapidly getting more and more popular among the brightest minds of the humanity, who are using it for training and competing. Recently Copa understood that to conquer ...
instruction
0
74,499
4
148,998
Tags: implementation Correct Solution: ``` dd,mm,yy=list(map(int,input().split('.'))) d,m,y=list(map(int,input().split('.'))) a=[[31,28,31,30,31,30,31,31,30,31,30,31],[31,29,31,30,31,30,31,31,30,31,30,31]] b=[[d,m,y],[d,y,m],[m,y,d],[m,d,y],[y,m,d],[y,d,m]] z=0 for i in range(6): if 1<=b[i][2]<=99 and 1<=b[i][1]<=1...
output
1
74,499
4
148,999
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The king Copa often has been reported about the Codeforces site, which is rapidly getting more and more popular among the brightest minds of the humanity, who are using it for training and compe...
instruction
0
74,500
4
149,000
Yes
output
1
74,500
4
149,001
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The king Copa often has been reported about the Codeforces site, which is rapidly getting more and more popular among the brightest minds of the humanity, who are using it for training and compe...
instruction
0
74,501
4
149,002
No
output
1
74,501
4
149,003
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The king Copa often has been reported about the Codeforces site, which is rapidly getting more and more popular among the brightest minds of the humanity, who are using it for training and compe...
instruction
0
74,502
4
149,004
No
output
1
74,502
4
149,005
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The king Copa often has been reported about the Codeforces site, which is rapidly getting more and more popular among the brightest minds of the humanity, who are using it for training and compe...
instruction
0
74,503
4
149,006
No
output
1
74,503
4
149,007
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The king Copa often has been reported about the Codeforces site, which is rapidly getting more and more popular among the brightest minds of the humanity, who are using it for training and compe...
instruction
0
74,504
4
149,008
No
output
1
74,504
4
149,009
Provide tags and a correct Python 3 solution for this coding contest problem. Tattah is asleep if and only if Tattah is attending a lecture. This is a well-known formula among Tattah's colleagues. On a Wednesday afternoon, Tattah was attending Professor HH's lecture. At 12:21, right before falling asleep, he was star...
instruction
0
74,999
4
149,998
Tags: implementation, strings Correct Solution: ``` n = input().split(':') h = int(n[0]) m = int(n[1]) def check(h,m): h = str(h) m = str(m) if len(m) ==1: m = '0'+m if len(h) ==1: h = '0'+h if h == m [::-1]: return True return False for i in range(100000): ...
output
1
74,999
4
149,999
Provide tags and a correct Python 3 solution for this coding contest problem. Tattah is asleep if and only if Tattah is attending a lecture. This is a well-known formula among Tattah's colleagues. On a Wednesday afternoon, Tattah was attending Professor HH's lecture. At 12:21, right before falling asleep, he was star...
instruction
0
75,000
4
150,000
Tags: implementation, strings Correct Solution: ``` h, m = input().split(':') res = h[::-1] if res < '60' and m < res: print(h, res, sep=':') else: res = '60' while not res < '60': h_int = (int(h) + 1) % 24 h = ('0' if h_int < 10 else '') + str(h_int) res = h[::-1] print(h, res, ...
output
1
75,000
4
150,001
Provide tags and a correct Python 3 solution for this coding contest problem. Tattah is asleep if and only if Tattah is attending a lecture. This is a well-known formula among Tattah's colleagues. On a Wednesday afternoon, Tattah was attending Professor HH's lecture. At 12:21, right before falling asleep, he was star...
instruction
0
75,001
4
150,002
Tags: implementation, strings Correct Solution: ``` s1=input() a=int(s1[0])*10+int(s1[1]) b=int(s1[3])*10 +int(s1[4]) def increasetime(a,b): b+=1 if b==60: a+=1 b=0 if a==24: a=0 return a,b a,b=increasetime(a,b) while a//10!=b%10 or a%10!=b//10: a,b=increasetime(a,b) if a<10...
output
1
75,001
4
150,003
Provide tags and a correct Python 3 solution for this coding contest problem. Tattah is asleep if and only if Tattah is attending a lecture. This is a well-known formula among Tattah's colleagues. On a Wednesday afternoon, Tattah was attending Professor HH's lecture. At 12:21, right before falling asleep, he was star...
instruction
0
75,002
4
150,004
Tags: implementation, strings Correct Solution: ``` k = input() a = int(k[:2]);b = int(k[3:]) h = (a*60+b+1)%(24*60) def is_p(h): a = str(h//60) b = str(h%60) if int(a) < 10: a = '0'+a if int(b) < 10: b = '0'+b if a+b == (a+b)[::-1]: return True return False while not is_p(h): h+=1 h%=(24*60) a = str(h//6...
output
1
75,002
4
150,005
Provide tags and a correct Python 3 solution for this coding contest problem. Tattah is asleep if and only if Tattah is attending a lecture. This is a well-known formula among Tattah's colleagues. On a Wednesday afternoon, Tattah was attending Professor HH's lecture. At 12:21, right before falling asleep, he was star...
instruction
0
75,003
4
150,006
Tags: implementation, strings Correct Solution: ``` hora=["00","01","02","03","04","05","10","11","12","13","14","15","20","21","22","23"] minuto=["00","10","20","30","40","50","01","11","21","31","41","51","02","12","22","32"] b=input() b=b.split(":") b[0]=int(b[0]) b[1]=int(b[1]) for k in range (len(hora)): i...
output
1
75,003
4
150,007
Provide tags and a correct Python 3 solution for this coding contest problem. Tattah is asleep if and only if Tattah is attending a lecture. This is a well-known formula among Tattah's colleagues. On a Wednesday afternoon, Tattah was attending Professor HH's lecture. At 12:21, right before falling asleep, he was star...
instruction
0
75,004
4
150,008
Tags: implementation, strings Correct Solution: ``` n,m=map(int,input().split(":")) M=1 def t(s): if(int(s)<10): return "0"+s else: return s while(True): a=((n*60+m+M)//60)%24 b=(n*60+m+M)%60 s=t(str(a))+":"+t(str(b)) if(s==s[::-1]): print(s) break M+=1 ```
output
1
75,004
4
150,009
Provide tags and a correct Python 3 solution for this coding contest problem. Tattah is asleep if and only if Tattah is attending a lecture. This is a well-known formula among Tattah's colleagues. On a Wednesday afternoon, Tattah was attending Professor HH's lecture. At 12:21, right before falling asleep, he was star...
instruction
0
75,005
4
150,010
Tags: implementation, strings Correct Solution: ``` s=input() t1=s[:2] t2=s[3:] if t1=='23' and int(t2)>=32:print('00:00') elif int(t1)==5 and int(t2)>=50:print('10:01') elif int(t1)>5 and int(t1)<10:print('10:01') elif int(t1)==15 and int(t2)>=51:print('20:02') elif int(t1)>15 and int(t1)<20:print('20:02') elif int(t2...
output
1
75,005
4
150,011
Provide tags and a correct Python 3 solution for this coding contest problem. Tattah is asleep if and only if Tattah is attending a lecture. This is a well-known formula among Tattah's colleagues. On a Wednesday afternoon, Tattah was attending Professor HH's lecture. At 12:21, right before falling asleep, he was star...
instruction
0
75,006
4
150,012
Tags: implementation, strings Correct Solution: ``` s = input() a = [x for x in s.split(":")] temp = "" f = -1 if(int(a[0])==23): k = str(a[0]) if(int(k[::-1]) > int(a[1]) and int(k[::-1]) < 59 and f!=0): temp= k + ":" +k[::-1] f = 0 if(int(a[0])+1==24 and f!=0): temp ="00"+":"+"00" f =...
output
1
75,006
4
150,013
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Tattah is asleep if and only if Tattah is attending a lecture. This is a well-known formula among Tattah's colleagues. On a Wednesday afternoon, Tattah was attending Professor HH's lecture. At ...
instruction
0
75,007
4
150,014
Yes
output
1
75,007
4
150,015
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Tattah is asleep if and only if Tattah is attending a lecture. This is a well-known formula among Tattah's colleagues. On a Wednesday afternoon, Tattah was attending Professor HH's lecture. At ...
instruction
0
75,008
4
150,016
Yes
output
1
75,008
4
150,017
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Tattah is asleep if and only if Tattah is attending a lecture. This is a well-known formula among Tattah's colleagues. On a Wednesday afternoon, Tattah was attending Professor HH's lecture. At ...
instruction
0
75,009
4
150,018
Yes
output
1
75,009
4
150,019
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Tattah is asleep if and only if Tattah is attending a lecture. This is a well-known formula among Tattah's colleagues. On a Wednesday afternoon, Tattah was attending Professor HH's lecture. At ...
instruction
0
75,010
4
150,020
Yes
output
1
75,010
4
150,021
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Tattah is asleep if and only if Tattah is attending a lecture. This is a well-known formula among Tattah's colleagues. On a Wednesday afternoon, Tattah was attending Professor HH's lecture. At ...
instruction
0
75,011
4
150,022
No
output
1
75,011
4
150,023
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Tattah is asleep if and only if Tattah is attending a lecture. This is a well-known formula among Tattah's colleagues. On a Wednesday afternoon, Tattah was attending Professor HH's lecture. At ...
instruction
0
75,012
4
150,024
No
output
1
75,012
4
150,025
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Tattah is asleep if and only if Tattah is attending a lecture. This is a well-known formula among Tattah's colleagues. On a Wednesday afternoon, Tattah was attending Professor HH's lecture. At ...
instruction
0
75,013
4
150,026
No
output
1
75,013
4
150,027
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Tattah is asleep if and only if Tattah is attending a lecture. This is a well-known formula among Tattah's colleagues. On a Wednesday afternoon, Tattah was attending Professor HH's lecture. At ...
instruction
0
75,014
4
150,028
No
output
1
75,014
4
150,029