#include <fstream>

using namespace std;

ifstream f("permutari.in");
ofstream g("permutari.out");

int n;
int x[10];
bool pus[10];

void bkt(int i) {
    if(i > n) {
        for(int i = 1; i <= n; i ++)
            g << x[i] << " ";
        g << "\n";
    }
    for(int j = 1; j <= n; j ++)
        if(!pus[j])
            pus[j] = true, x[i] = j, bkt(i + 1), pus[j] = false;
}

int main()
{
    f >> n;
    bkt(1);
    return 0;
}