#include <iostream>
#include <stdio.h>
#include <vector>

using namespace std;

int n;
int solution[10], freq[10];

void afisareSolutie(){
    int i;
    for(i = 1; i <= n - 1; ++i)
        printf("%d ", solution[i]);
    printf("%d\n", solution[i]);
}

void backtrack(int k) {
    if (k > n) {
        afisareSolutie();
    } else {
        for(int i = 1; i <= n; ++i) {
            solution[k] = i;
            if (freq[i] == 0) {
                freq[i] = 1;
                backtrack(k + 1);
                freq[i] = 0;
            }
        }
    }
}

int main() {
    freopen("permutari.in", "r", stdin);
    freopen("permutari.out", "w", stdout);
    scanf("%d", &n);
    backtrack(1);
}