#include <iostream>
using namespace std;
int n;
void dfs(int t, int state){
    if(t >= n){
        for(int i = 0; i < n; i ++ ){
            if((state >> i) & 1)  cout << i + 1 << " ";
        }
        cout << endl;
        return ;
    } 
    dfs(t + 1, state);
    dfs(t + 1, state | (1 << t));
}
int main(){
    cin >> n;
    dfs(0, 0);
    return 0;
}