#include <fstream>

using namespace std;
ifstream f ("submultimi.in");
ofstream g ("submultimi.out");
int n,i,j,a[100],x;
int main()
{
    f>>n;
    for (i=1; i<=(1<<n); i++)
    {
        x=i;
        for (j=1; j<=n; j++)
        {
            if (x%2==1)
                g<<a[j];
            x=x/2;
        }
        g<<'\n';
    }

    return 0;
}