#include <stdio.h>

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

void back(int i, int n, int p[]) {
    if (i == n+1) {
        afisare(n, p);
        return;
    }
    for (int a = 1; a <= n; a++) {
        bool valid = true;
        for (int j = 1; j <= i - 1; j++)
            if (p[j] == a)
                valid = false;
        if (valid == true) {
            p[i] = a;
            back(i + 1, n, p);
        }
    }
}

int main()
{
    freopen("permutari.in", "r", stdin);
    freopen("permutari.out", "w", stdout);
    int n, p[10];
    scanf("%d", &n);
    back(1, n, p);
    return 0;
}