#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
typedef long long ll;
#define DEBUG
#ifdef DEBUG
#define debug(x) cout << #x << ": " << x << endl
#else
#define debug(x)
#endif
int m,q,mini=2e9;
int maxi[10000005];
int low[10000005];
int dp[10000005];
int main(){
ios::sync_with_stdio(false);
cin.tie(NULL);
cin >> m >> q;
for(int i=1;i<=m;i++){
int a;
cin >> a;
for(int j=a;j<=1e7;j+=a){
maxi[j] = max(maxi[j],a);
}
mini = min(mini,10000000-10000000%a);
}
for(int i=1e7;i>=1;i--){
low[i] = mini;
mini = min(mini,i-maxi[i]);
}
for(int i=1;i<=1e7;i++){
dp[i] = 2e9;
dp[i] = dp[low[i]]+1;
}
for(int i=1;i<=q;i++){
int a;
cin >> a;
if(dp[a]<2e9){
cout << dp[a] << "\n";
}
else{
cout << "oo" << "\n";
}
}
return 0;
}
