Buggy python submission (verdict: Runtime Error):
S=input()
a=0
mod=[0]*2019
mod[0]+=1
for s in S:
 a+=(int(s)*(10**i))%2019
 b=a%2019
 mod[b]+=1
c=0
for i in range(2019):
 if mod[i]>=2:
  c+= mod[b]*(mod[b]-1)/2
print(int(c))


Fixed submission:
S=input()
T=len(S)
a=0
d=1
mod=[0]*2019
mod[0]+=1
for i in range(T):
 a+=(int(S[T-i-1])*(d))%2019
 b=a%2019
 mod[b]+=1
 d*=10
 d%=2019
c=0
for i in range(2019):
 if mod[i]>=2:
  c+= mod[i]*(mod[i]-1)/2
print(int(c))

Buggy python submission (verdict: Time Limit Exceeded):
S=input()
T=len(S)
a=0
mod=[0]*2019
mod[0]+=1
for i in range(T):
 a+=(int(S[T-i-1])*(10**i))%2019
 b=a%2019
 mod[b]+=1
c=0
for i in range(2019):
 if mod[i]>=2:
  c+= mod[i]*(mod[i]-1)/2
print(int(c))


Fixed submission:
S=input()
T=len(S)
a=0
d=1
mod=[0]*2019
mod[0]+=1
for i in range(T):
 a+=(int(S[T-i-1])*(d))%2019
 b=a%2019
 mod[b]+=1
 d*=10
 d%=2019
c=0
for i in range(2019):
 if mod[i]>=2:
  c+= mod[i]*(mod[i]-1)/2
print(int(c))

Buggy python submission (verdict: Time Limit Exceeded):
import itertools
S=input()
T=len(S)
a=0
mod=[0]*2019
mod[0]+=1
for i in range(T):
 a+=(int(S[T-i-1])*(10**i))%2019
 b=a%2019
 mod[b]+=1
c=0
for i in range(2019):
 if mod[i]>=2:
  c+= mod[i]*(mod[i]-1)/2
print(int(c))


Fixed submission:
S=input()
T=len(S)
a=0
d=1
mod=[0]*2019
mod[0]+=1
for i in range(T):
 a+=(int(S[T-i-1])*(d))%2019
 b=a%2019
 mod[b]+=1
 d*=10
 d%=2019
c=0
for i in range(2019):
 if mod[i]>=2:
  c+= mod[i]*(mod[i]-1)/2
print(int(c))

Buggy python submission (verdict: Time Limit Exceeded):
S=input()
K=len(str(S))
A=[[0 for v in range(K)] for j in range(2019)]
A[int(S[0])][0]+=1
for i in range(1,K):
 c=int(S[i])
 A[c][i]+=1
 for k in range(2019):
  d=(k*10+c)%2019
  A[d][i]+=A[k][i-1]
print(sum(A[0]))


Fixed submission:
S=input()
T=len(S)
a=0
d=1
mod=[0]*2019
mod[0]+=1
for i in range(T):
 a+=(int(S[T-i-1])*(d))%2019
 b=a%2019
 mod[b]+=1
 d*=10
 d%=2019
c=0
for i in range(2019):
 if mod[i]>=2:
  c+= mod[i]*(mod[i]-1)/2
print(int(c))

Buggy python submission (verdict: Time Limit Exceeded):
S=int(input())
K=len(str(S))
lst= [int(x) for x in list(str(S))]
A=[[0 for v in range(K)] for j in range(2019)]
A[lst[0]][0]+=1
for i in range(1,K):
 c=lst[i]
 A[c][i]+=1
 for k in range(2019):
  d=(k*10+c)%2019
  A[d][i]+=A[k][i-1]
print(sum(A[0]))

Fixed submission:
S=input()
T=len(S)
a=0
d=1
mod=[0]*2019
mod[0]+=1
for i in range(T):
 a+=(int(S[T-i-1])*(d))%2019
 b=a%2019
 mod[b]+=1
 d*=10
 d%=2019
c=0
for i in range(2019):
 if mod[i]>=2:
  c+= mod[i]*(mod[i]-1)/2
print(int(c))

Buggy python submission (verdict: Time Limit Exceeded):
import sys
input = sys.stdin.readline
S=int(input())
K=len(str(S))
lst= [x for x in list(str(S))]
A=[[0 for v in range(K)] for j in range(2019)]
A[int(lst[0])][0]+=1
for i in range(1,K):
 c=int(lst[i])
 A[c][i]+=1
 for k in range(2019):
  d=(k*10+c)%2019
  A[d][i]+=A[k][i-1]
print(sum(A[0]))


Fixed submission:
S=input()
T=len(S)
a=0
d=1
mod=[0]*2019
mod[0]+=1
for i in range(T):
 a+=(int(S[T-i-1])*(d))%2019
 b=a%2019
 mod[b]+=1
 d*=10
 d%=2019
c=0
for i in range(2019):
 if mod[i]>=2:
  c+= mod[i]*(mod[i]-1)/2
print(int(c))

Buggy python submission (verdict: Runtime Error):
import sys
input = sys.stdin.readline
S=int(input())
K=len(str(S))
lst= [x for x in list(str(S))]
A=[[0 for v in range(2019)] for j in range(2019)]
A[int(lst[0])][0]+=1
for i in range(1,K):
 c=int(lst[i])
 A[c][i]+=1
 for k in range(2019):
  d=(k*10+c)%2019
  A[d][i]+=A[k][i-1]
print(sum(A[0]))

Fixed submission:
S=input()
T=len(S)
a=0
d=1
mod=[0]*2019
mod[0]+=1
for i in range(T):
 a+=(int(S[T-i-1])*(d))%2019
 b=a%2019
 mod[b]+=1
 d*=10
 d%=2019
c=0
for i in range(2019):
 if mod[i]>=2:
  c+= mod[i]*(mod[i]-1)/2
print(int(c))

Buggy python submission (verdict: Runtime Error):
import sys
input = sys.stdin.readline
S=int(input())
K=len(str(S))
lst= [x for x in list(str(S))]
A=[[0 for v in range(2016)] for j in range(2019)]
A[int(lst[0])][0]+=1
for i in range(1,K):
 c=int(lst[i])
 A[c][i]+=1
 for k in range(2019):
  d=(k*10+c)%2019
  A[d][i]+=A[k][i-1]
print(sum(A[0]))


Fixed submission:
S=input()
T=len(S)
a=0
d=1
mod=[0]*2019
mod[0]+=1
for i in range(T):
 a+=(int(S[T-i-1])*(d))%2019
 b=a%2019
 mod[b]+=1
 d*=10
 d%=2019
c=0
for i in range(2019):
 if mod[i]>=2:
  c+= mod[i]*(mod[i]-1)/2
print(int(c))