#include <bits/stdc++.h>

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

int n, P[10], b[10];

void afisare() {
    for(int i = 1; i <= n; i++) fout << b[i] << " ";
    fout << '\n';
}

void back(int k) {
    if(k == n + 1) afisare();
    else {
        for(int i = 1; i <= n; i++) {
            if(!P[i]) {
                P[i] = 1;
                b[k] = i;
                back(k + 1);
                P[i] = 0;
            }
        }
    }
}

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