#include <iostream>
#include <fstream>
#include <algorithm>

using namespace std;

ifstream in("permutari.in");
ofstream out("permutari.out");

int main() {
    int n;
    in >> n;
    int m[n];
    for(int i = 1; i <= n; i++)
        m[i-1] = i;
    do {
        for(int i = 0; i < n; i++)
            out << m[i] << " ";
        out << '\n';
    } while(next_permutation(m, m+n));
    return 0;
}