import java.util.*;

public class Main{
    static int n = 0;
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        n = sc.nextInt();
        dfs(0, 0);
    }
    private static void dfs(int u, int state){
        if(u == n){
            for(int i = 0; i < n; i++){
                if((state >> i & 1) == 1){
                    System.out.print(i+1+" ");
                }
            }
            System.out.println();
            return;
        }
        dfs(u+1,state);
        dfs(u+1, state | 1<<u);
    }
}