#include <cstdio>
using namespace std;

int v[9], n;

void write()
{
    for (int i = 1; i <= n; ++i)
        printf("%d ", v[i]);
    printf("\n");
}

bool OK(int k)
{
    for (int i = 1; i <= k - 1; ++i)
        if (v[i] == v[k]) return false;
    return true;
}

void gen(int k)
{
    if (k > n) write();
    else{
        for (int i = 1; i <= n; ++i){
            v[k] = i;
            if (OK(k)) gen(k + 1);
        }
    }
}

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

    scanf("%d", &n);
    gen(1);

   return 0;
}