#include <bits/stdc++.h>
using namespace std;
const int mx = 2e7 + 5;
int main(){
ios_base::sync_with_stdio(0); cin.tie(0);
int n, q; cin >> n >> q;
int A[n], bst[mx] = {}, dp[mx];
for (int i = 0; i < n; i++){
cin >> A[i];
for (int mul = A[i] - 1; mul < mx; mul += A[i]) bst[mul] = max(bst[mul], A[i] - 1);
}
for (int i = mx - 2; i; i--) bst[i] = max(bst[i], bst[i + 1] - 1);
fill(dp, dp + mx, 1e9); dp[0] = 0;
for (int i = 1; i < mx; i++) dp[i] = dp[i - bst[i]] + 1;
while (q--){
int x; cin >> x;
cout<<(dp[x] >= 1e9 ? "oo" : to_string(dp[x]))<<"\n";
}
}
