#include <iostream>
#include <string>
#include <fstream>
using namespace std;

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

int n, frq[9];

void generate(int i, int string[9]) {
    if (i == n + 1) {
        for (int i = 1; i <= n; ++i) {
            fout << string[i] << " ";
        }
        fout << "\n";
        return;
    }
    for (char c = 1; c <= n; ++c) {
        if (frq[c] == 0) {
            string[i] = c;
            frq[c] = 1;
            generate(i + 1, string);
            frq[c] = 0;
        }
    }
}

int main() {
    fin >> n;
    int string[9];
    generate(1, string);
}