#include <bits/stdc++.h>
#define ff first
#define ss second
#define endl '\n'
using namespace std;
const long long INF = (long long) 1e18;
const int mod = (int) 1e9+7;
const int MAXN = (int) 3e5+5;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
ll m, q;
ll p[MAXN];
bool check(int n){
for(int i = 0; i < (1<<m); i++){
int cur = n;
for(int j = m - 1; j >= 0; j--){
if((1<<j)&i){
cur = cur - cur % p[j];
}
}
if(cur < p[m - 1]) return 1;
}
return 0;
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(nullptr);cout.tie(nullptr);
#ifdef Local
freopen("C:/Users/Admin/Desktop/Yazilim/C/IO/int.txt","r",stdin);
freopen("C:/Users/Admin/Desktop/Yazilim/C/IO/out.txt","w",stdout);
#endif
cin>>m>>q;
for(int i = 0; i < m; i++){
cin>>p[i];
}
for(int i = 0; i < q; i++){
int n;
cin>>n;
if(p[m - 1] > n){
cout<<1<<endl;
}else{
if(m <= 9 && check(n) == 0){
cout<<"oo\n";
}else{
cout<<(n / p[m - 1] + 1)*2 - 1<<endl;
}
}
}
#ifdef Local
cout<<endl<<fixed<<setprecision(2)<<1000.0 * clock() / CLOCKS_PER_SEC<< " milliseconds ";
#endif
}
