#include <bits/stdc++.h>

using namespace std;

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

    int N;
    scanf("%d", &N);
    vector<int> p;
    for (int i = 1; i <= N; ++i)
        p.emplace_back(i);
    do{
        for (auto it : p)
            printf("%d ", it);
        printf("\n");
    }while (next_permutation(p.begin(), p.end()));

    return 0;
}