#include <fstream>
#define LMAX 18
using namespace std;

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

bool subm[LMAX];
int main()
{
    int n,ok=1,i,k;
    fin>>n;
    i=1;
    while(!subm[0])
    {
        for(i=1;i<=n;i++)
            if(subm[i])
            fout<<i<<" ";
        fout<<'\n';
        for(i=n;i>0&&subm[i]==1;i--) subm[i]=0;
        subm[i]=1;

    }
    return 0;
}