#include <stdio.h>
#include <vector>
#include <algorithm>
using namespace std;
int N;
vector<int> v;
int main () {
    freopen("permutari.in", "r", stdin);
    freopen("permutari.out", "w", stdout);

    scanf("%d", &N);

    for (int i = 1; i <= N; i++){
        v.push_back(i);
    }
    do {
        for (int i = 0; i < N; i++){
            printf("%d ", v[i]);
        }
        printf("\n");
    } while (next_permutation(v.begin(), v.end()));
}