#include <bits/stdc++.h>
using namespace std;
#define int long long
int32_t main() {
ios_base::sync_with_stdio(0); cin.tie(0);
int n, q; cin >> n >> q;
vector<int> a(n), d((int) 1e7 + 7), dp((int) 1e7 + 7, 1e9);
for (int &x : a) {
cin >> x;
for (int i = x - 1; i <= 1e7; i += x) {
d[i] = x - 1;
}
}
for (int i = 1e7; i > 0; i--) d[i] = max(d[i], d[i + 1] - 1);
dp[0] = 0;
for (int i = 1; i <= 1e7; i++) {
dp[i] = dp[i - d[i]] + 1;
}
while (q--) {
int x; cin >> x;
cout << (dp[x] >= 1e9 ? "oo" : to_string(dp[x])) << '\n';
}
}
