#include<bits/stdc++.h>
using namespace std;


int lcm(int a,int b)
{
    return ((a*b)/(__gcd(a,b)));
}


int main()
{
    int thickness[60],n,t,height,a,b,c,d,e,i,j,k,l,mn,mx,x,y,z;
    while(cin>>n>>t)
    {
        if(n==0 && t==0)
            break;
        for(i=0;i<n;i++)
            cin>>thickness[i];
        while(t--)
        {
            cin>>height;
            for(i=0;i<n;i++)
            {
                for(j=i+1;j<n;j++)
                {
                    for(k=j+1;k<n;k++)
                    {
                        for(l=k+1;l<n;l++)
                        {
                            cout<<thickness[i]<<" "<<thickness[j]<<" "<<thickness[k]<<" "<<thickness[l]<<endl;
                            a=lcm(lcm(thickness[i],thickness[j]),lcm(thickness[k],thickness[l]));
                            cout<<"a "<<a<<endl;

                        }
                    }
                }
            }
        }
    }
}