#include <bits/stdc++.h>
#include <atcoder/fenwicktree.hpp>
using namespace std;

using i32 = int;
using i64 = long long;
using i128 = __int128_t;
using f64 = double;
using p2 = pair<i64, i64>;
using p3 = tuple<i64, i64, i64>;

void _main();
int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  cout << fixed << setprecision(18);
  _main();
}

void _main() {
  i64 n, q;
  cin >> n >> q;
  vector<i64> t(n + 1, 0);
  for (i64 i = 0; i < n; i++) {
    i64 x;
    cin >> x;
    t[i + 1] = t[i] + x;
  }
  for (;q--;) {
    i64 x;
    cin >> x;
    i64 i = upper_bound(t.begin(), t.end(), x) - t.begin();
    cout << i - 1 << "\n";
  }

}