#include<bits/stdc++.h>
#define pb push_back
#define ii pair<int,int>
#define all(x) (x).begin(),(x).end()
#define sz(x) ((int)(x).size())
#define INF 100000000000000000
#define modulo 1000000007
#define mod 998244353
//#define int long long int
using namespace std;
int dp[10000001];
vector<int> f[10000001];
int32_t main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int m, q;
cin >> m >> q;
set<ii> ptr;
vector<int> P(m);
for(int i = 0; i < m; i++){
cin >> P[i];
for(int j = P[i]; j <= 10000000; j += P[i]){
f[j].pb(P[i]);
}
ptr.insert({0, P[i]});
}
for(int i = 1; i <= 1e7; i++) dp[i] = 1e9;
for(int i = 1; i <= 1e7; i++){
for(auto p : f[i]){
ptr.erase({i - p, p});
ptr.insert({i, p});
}
if(ptr.begin()->first != i) dp[i] = dp[ptr.begin()->first] + 1;
else break;
}
while(q--){
int n;
cin >> n;
if(dp[n] >= 1e9) cout << "oo\n";
else cout << dp[n] << "\n";
}
}
