#include <iostream>
#include <fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int n,a[105],fol[15];
void afisare()
{
    for(int i=1;i<=n;i++) g<<a[i]<<" ";
    g<<"\n";
}
void back(int k)
{
    int i;
    if(k>n) afisare();
    else
    {
        for(int i=1;i<=n;i++)
        {
           if(fol[i]==0){ a[k]=i;fol[i]=1;
            back(k+1);fol[i]=0;}
        }
    }
}
int main()
{
f>>n;
back(1);
    return 0;
}