#include <bits/stdc++.h>
using namespace std;
ifstream fin("submultimi.in");
ofstream fout("submultimi.out");
int a[20],n;
int main()
{
    int cnt=0,k,i;
    fin>>n;
    k=n+1;
    a[1]=1;///sa nu apara multimea vida
    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;
}