#include <fstream>
using namespace std;
ifstream cin("submultimi.in");
ofstream cout("submultimi.out");
int n, i, j, v[25];
int main() {
    cin>>n;
    v[0] = 0;
    while (v[0]!=1) {
        i=n;
        while (v[i]==1) {
            v[i]=0;
            i--;
        }
        v[i]=1;
        if (i == 0)
            break;
        for (i=1;i<=n;i++)
            if (v[i] == 1)
                cout<<i<<" ";
        cout<<"\n";
    }
}