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

ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n, permutations[9], usedNumbers[9];

void gen(int lg) {
    if (lg > n) {
        for (int i = 1; i <= n; i++) {
            fout << permutations[i] << ' ';
        }
        fout << '\n';
        return;
    }
    for (int i = 1; i <= n; i++) {
        if (!usedNumbers[i]) {
            usedNumbers[i] = 1;
            permutations[lg] = i;
            gen(lg + 1);
            usedNumbers[i] = 0;
        }
    }
}

int main() {
    fin >> n;
    gen(1);
    return 0;
}