#include <cstdio>
#include <algorithm>
#include <vector>

using namespace std;

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

    int n;
    scanf("%d", &n);
    vector <int> v;
    for(int i=1; i<=n; i++)
        v.push_back(i);

    do
    {
        for(int i=0; i<n; i++) printf("%d ", v[i]);
        printf("\n");
    } while(next_permutation(v.begin(), v.end()));
}