#include <bits/stdc++.h>
#define int long long
#define mp make_pair
#define eb emplace_back
#define fi first
#define se second
using namespace std;
using cd = complex <double>;
const long long INF = 1e15;
const int mod = 998244353;//1e9 + 7;//786433;
const double Pi = acos(-1);
void Fastio()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
}
int m, q, p;
int Seive[20000005], dp[10000005];
signed main()
{
Fastio();
cin >> m >> q;
for(int i = 1; i <= m; i++)
{
cin >> p;
for(int j = p - 1; j <= 20000000; j = j + p)
{
Seive[j] = max(Seive[j], p - 1);
}
}
for(int i = 20000000; i > 1; i--)
{
Seive[i - 1] = max(Seive[i - 1], Seive[i] - 1);
}
for(int i = 1; i <= 10000000; i++)
{
dp[i] = 999999999;
dp[i] = dp[i - Seive[i]] + 1;
}
while(q--)
{
int n;
cin >> n;
if(dp[n] >= 10000005)
{
cout << "oo\n";
continue;
}
cout << dp[n] << '\n';
}
}
