#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
ifstream fin("input.txt");
#define fout cout
#else
ifstream fin("permutari.in");
ofstream fout("permutari.out");
#endif

int n;
int a[10], ap[10];

void backtracking(int k) {
    if (k > n) {
        for (int i = 1; i <= n; i++)
            fout << a[i] << ' ';
        fout << '\n';
        return;
    }
    for (int i = 1; i <= n; i++) {
        if (!ap[i]) {
            ap[i] = 1;
            a[k] = i;
            backtracking(k + 1);
            ap[i] = 0;
        }
    }
}

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