#include <stdio.h>

int v[9], used[9];

void doBKT (int index, int n) {
    int i;
    if (index == n) {
        for (i = 0; i < n; ++i) {
            printf ("%d ", v[i]);
        }
        printf ("\n");
    } else {
        for (i = 1; i <= n; ++i) {
            if (used[i] == 0) {
                v[index] = i;
                used[i] = 1; 
                doBKT (index + 1, n);
                used[i] = 0;
            }
        }
    }
}

int main() {
    freopen ("permutari.in", "r", stdin);
    freopen ("permutari.out", "w", stdout);
    int n;

    scanf ("%d", &n);
    doBKT (0, n);

    return 0;
}