#include <cstdio>
using namespace std;

int n, st[8];
void permutari(int);

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

    permutari(0);
    getch();
    return 0;
}

void permutari(int schritt)
{
    for (int i = 1; i <= n; i++)
    {
        bool ok = true;
        for (int j = 0; j < schritt; j++)
            if (st[j] == i)
                { ok = false; break; }
        if (ok == false)
            continue;

        st[schritt] = i;
        if (schritt + 1 == n)
        {
            for(int j = 0; j < n; j++)
                printf("%d ", st[j]);
            printf("\n");
        }
        else
            permutari(schritt + 1);
    }
}