#include <iostream>
#include <fstream>

using namespace std;
ifstream fin("submultimi.in");
ofstream fout("submultimi.out");
int a[19],n;

int main()
{
    int 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;i<=n && a[i]==1;i++)
            a[i]=0;
        a[i]=1;

    }
    return 0;
}