Can you identity the Error in the program ?

Question

n, x = map(int, raw_input().split())
a = map(int, raw_input().split())
ans = 0
ans = 1
for i in xrange(n):
x -= a[i]
if x <= 0:
break
ans += 1
print ans

Answer 1

Actually, it is written for Python 2, while Sololearn's implementation uses Python 3.