#include <cstdio>

using namespace std;

int n;
int viz[10];
int a[10];

void afis()
{
    for (int i = 0; i < n; ++ i){
        printf ("%d ", a[i]);
    }
    printf ("\n");
}

void back (int k)
{
    if (k == n){
        afis();
        return ;
    }
    for (int i = 1; i <= n; ++ i){
        if (!viz[i]){
            viz[i] = 1;
            a[k] = i;
            back (k + 1);
            viz[i] = 0;
        }
    }
}

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

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

    return 0;
}