#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, s, e) for (int i = (int)(s); i < (int)(e); ++i)

int main() {
	cin.tie(nullptr);
	ios_base::sync_with_stdio(false);
	
	int N, Q;
	cin >> N >> Q;
	vector<ll> T(N + 1);
	rep(i, 1, N + 1) cin >> T[i];
	rep(i, 1, N + 1) T[i] += T[i - 1];
	
	for (;Q--;) {
		ll X;
		cin >> X;
		
		int ans = upper_bound(T.begin(), T.end(), X) - T.begin();
		cout << ans - 1 << '\n';
	}
}