#include <iostream.h>
#include <fstream.h>
ifstream f("lotto.in");
#define cin f
int main()
{
    int i,j,k,l,m,n;
    int a[12],b,num;
    int flag=0;
    while(cin>>num)
    {
        if(num==0) return 0;
        if (flag==1) cout<<endl;
        for(i=0;i<num;i++)
        cin>>a[i];
        for(i=0;i<=num-6;i++)
        for(j=i+1;j<=num-5;j++)
        for(k=j+1;k<=num-4;k++)
        for(l=k+1;l<=num-3;l++)
        for(m=l+1;m<=num-2;m++)
        for(n=m+1;n<=num-1;n++)
        cout<<a[i]<<" "<<a[j]<<" "<<a[k]<<" "<<a[l]<<" "<<a[m]<<" "<<a[n]<<endl;
        int sum1=1;
        for(i=num-5;i<=num;i++)
        sum1*=i;
        int sum2=1;
        for(i=1;i<=6;i++)
        sum2*=i;
        cout<<sum1/sum2<<endl;
        flag=1;
        
        
    }
}        

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