#include <fstream>

using namespace std;

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

const int DIM = 10;
int n;
int x[DIM];
bool f[DIM];

void backtrack(int step) {
    if (step == n + 1) {
        for (int i = 1; i <= n; i++)
            fout << x[i] << ' ';
        fout << '\n';
    } else {
        for (int i = 1; i <= n; i++) {
            if (!f[i]) {
                x[step] = i;
                f[i] = true;
                backtrack(step + 1);
                f[i] = false;
            }
        }
    }
}

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