#include <iostream>
#include <fstream>

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

int p, n, i, j, nr, v[10];
bool k[10];

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

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

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