#include <bits/stdc++.h>

using namespace std;
int a[1005];

int main()
{
    ifstream fin("submultimi.in");
    ofstream fout("submultimi.out");

    int n, i;
    fin>>n;
    a[1]=1;
    while(a[n+1]==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;
}