#include <iostream>
#include <cstdio>
using namespace std;

int n;
int v[17];

int bkt(int pas,int nr)
{
    int i;
    if(pas!=1)
    {
        for(i=1;i<=n;i++) if(v[i]) cout<<i<<' '; cout<<'\n';
    }
    for(i=nr;i<=n;i++)
    {
        v[i]=1;
        bkt(pas+1,i+1);
        v[i]=0;
    }
}

int main()
{
    freopen("submultimi.in","r",stdin);
    freopen("submultimi.out","w",stdout);
    cin>>n;
    bkt(1,1);
    fclose(stdin);
    fclose(stdout);
    return 0;
}