# include <cstdio>
using namespace std;
int n,i,j,m;
int main()
{
    freopen("submultimi.in","r",stdin);
    freopen("submultimi.out","w",stdout);
    scanf("%d",&n);
    m = 1 << n; //2^n
    for(i=1; i<m; ++i)
    {
        for(j=1; j<=n; ++j)
            if(i & (1 << (j-1)))
                printf("%d ", j);
        printf("\n");
    }
    return 0;
}