# include <bits/stdc++.h>
using namespace std;
int n,sol[10];
void back (int k)
{
    if (k == n + 1) {
        for (int i=1; i<=n; ++i)
            printf("%d ", sol[i]);
        printf("\n");
    } else {
        for (int i=k; i<=n; ++i) {
            swap(sol[i], sol[k]);

            back (k+1);

            swap(sol[i], sol[k]);
        }
    }
}
int main ()
{
    freopen ("permutari.in", "r", stdin);
    freopen ("permutari.out", "w", stdout);
    scanf ("%d", &n);
    for (int i=1; i<=n; ++i) {
        sol[i] = i;
    }
    back (1);
    return 0;
}