#include <fstream>

using namespace std;

int a[20],n;

int main()
{
    int k,i;
    ifstream fin("submultimi.in");
    ofstream fout("submultimi.out");
    fin>>n;
    a[1]=1;
    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;
}