#include <fstream>

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

int a[20];
int main()
{
    int n, i;
    fin >> n;
    a[n] = 1;
    while(a[0] == 0)
    {
        for(i = 1;i <= n;i++)
            if(a[i] == 1)
                fout << i << " ";
        fout << "\n";
        for(i = n;a[i] == 1;i--)
            a[i] = 0;
        a[i] = 1;
    }
    return 0;
}