#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 {
        printf("%d", v[0]);
        for (int i = 1; i < n; ++i) printf(" %d", v[i]);
        printf("\n");
        } while(next_permutation(v.begin(), v.end()));
    return 0;
    }