#include <iostream>
#include <fstream>
using namespace std;

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

int n, v[9], ver[9];

void perm(int k)
{
    if(k == n + 1)
    {
        for(int i=1;i<=n;i++)
            g<<v[i]<<" ";
        g<<"\n";
    }
    else
        for(int i=1;i<=n;i++)
        {
            if(!ver[i])
            {
                v[k] = i;
                ver[i] = 1;
                perm(k + 1);
                ver[i] = 0;
            }
        }
}

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