#include <iostream>
#include <fstream>
using namespace std;
int n,k,a[100],i;
int main()
{
    ifstream fin("submultimi.in");
    ofstream fout("submultimi.out");

    fin>>n;
    k=n+1;
    while(a[k]==0)
    {
        for(i=1;i<=n;i++)
        if(a[i]==1) fout<<i<<" ";
        fout<<"\n";

    for(i=1;a[i]==1;i++)
        a[i]=0;
    a[i]=1;

    }


    return 0;
}