#include <bits/stdc++.h>
using namespace std;
int n;
int main (void){
    cin >> n;
    for (int i = 1; i < (1 << n); i ++){
        for (int j = 1; j <= n; j ++)
            if (i & (1 << (j - 1)))
                cout << j << " ";
        cout << '\n';
    }
    return 0;
}