#include <fstream>

using namespace std;

int a[30];

int main()
{
    int n,i;
    ifstream fin("submultimi.in");
    ofstream fout("submultimi.out");
    fin>>n;
    a[n] = 1;
    while(a[0]==0)
    {
        ///afisez subm
        for(i=1;i<=n;++i)
            if(a[i]==1) fout<<i<<" ";
        fout<<"\n";
        ///trec la urm submultime
        for(i=n;a[i]==1;--i) a[i] = 0;
        a[i] = 1;
    }
    return 0;
}