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

int n, sol[10], viz[10];
ifstream f("permutari.in");
ofstream g("permutari.out");

void citire()
{


    f>>n;
}
void afisare()
{

    for(int i=1;i<=n;i++)
        g<<sol[i]<<" ";
    g<<endl;


}

void back(int k)
{
    if(k == n+1)
        afisare();
    else
        for(int i=1;i<=n;i++)
            if(viz[i] == 0)
            {
                viz[i] = 1;
                sol[k] = i;
                back(k+1);
                viz[i] = 0;
            }
}
int main()
{
    citire();
    back(1);
    return 0;
}