#include <bits/stdc++.h>

using namespace std;

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

/// st[i] = 0, daca elementul i nu se afla in multime
///         1, daca elementul i se afla in multime
int st[20], n, cnt;

void Afisare(){
    cnt++;
    if(cnt == 1) return;
    for(int i = 1; i <= n; i++)
        if(st[i] == 1) fout << i << " ";
    fout << "\n";
}

void Back(int top){
    int i;
    if(top == n + 1)
        Afisare();
    else {
        for(i = 0; i <= 1; i++){
            st[top] = i;
            Back(top + 1);
        }
    }
}
/**
000
001
010
100
011
110
101
111
*/

int main()
{
    fin >> n;
    Back(1);
    return 0;
}