#include <stdio.h>

#define NMAX 10



void back(int k, int n, int *order, int *vis)
{
    if (k == n+1)
    {
        for (int i = 1; i <= n; i++)
            printf("%d ", order[i]);
        printf("\n");
    }
    else
    {
        for (int i = 1; i <= n; i++)
        {
            if (!vis[i])
            {
                order[k] = i;
                vis[i] = 1;
                back(k+1, n, order, vis);
                vis[i] = 0;
            }
        }
    }
}

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