#include <bits/stdc++.h>

using namespace std;

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

int n, sol[9];
bool used[9];

void bkt(int k)
{
    if(k > n)
    {
        for(int i = 1; i <= n; i++)
            out<<sol[i]<<' ';
        out<<'\n';
        return;
    }
    for(int i = 1; i <= n; i++)
    {
        if(!used[i])
        {
            used[i] = true;
            sol[k] = i;
            bkt(k + 1);
            used[i] = false;
        }
    }
}

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