#include <bits/stdc++.h>
using namespace std;
using ll = long long;

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	int N, Q;
	cin >> N >> Q;
	vector<ll> sv(N + 1);
	for(int i = 0, v; i < N; i++){
		cin >> v;
		sv[i + 1] = sv[i] + v;
	}
	while(Q--){
		ll V;
		cin >> V;
		if(V == 0) cout << "0\n";
		else cout << (upper_bound(sv.begin(), sv.end(), V) - sv.begin()) - 1 << '\n';
	}
}