#include <bits/stdc++.h>
using namespace std;
ifstream in("permutari.in");
ofstream out("permutari.out");
int v[15];
int c[15];
void f(int x, int n)
{
    if(x == n + 1)
    {
        for(int i = 1; i <= n; i ++)
            out << v[i] << " ";
        out << '\n';
    }
    for(int i = 1; i <= n; i ++)
    {
        if(c[i] == 0)
        {
            c[i] = 1;
            v[x] = i;
            f(x + 1, n);
            c[i] = 0;
        }
    }
}
int main()
{
    int n;
    in >> n;
    f(1, n);
    return 0;
}