import sys
input = sys.stdin.readline

from bisect import bisect

N,Q=list(map(int,input().split()))
T=list(map(int,input().split()))

C=[T[0]]

for x in T[1:]:
    C.append(C[-1]+x)

for tests in range(Q):
    x=int(input())

    ANS=bisect(C,x)

    print(ANS)