#include <iostream>
#include <fstream>
#include <vector>
#define m 1999999973
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n;
int sol[10],viz[10];
void back(int k)
{
    if(k==n+1)
    {
        for(int i=1;i<=n;i++) fout<<sol[i]<<" ";
        fout<<"\n";
    }
    else
    {
        for(int i=1;i<=n;i++)
        {
            if(viz[i]==0)
            {
                sol[k]=i;
                viz[i]=1;
                back(k+1);
                viz[i]=0;
            }
        }
    }
}
int main()
{
    fin>>n;
    back(1);

}