#include <iostream>
#include <cstdio>

using namespace std;

int n;
int vec[10], ap[10];

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

void bt(int k=0)
{
    if (k == n)
    {
        afiseaza();
        return;
    }

    for (int i=1; i<=n; i++)
    {
        if (ap[i] == 0)
        {
            ap[i] = 1;
            vec[k] = i;
            bt(k+1);
            ap[i] = 0;

        }
    }
}

int main()
{
    freopen("permutari.in", "r", stdin);
    freopen("permutari.out", "w", stdout);
    scanf("%d", &n);
    bt();
    return 0;
}