#include <iostream>
#include <fstream>
using namespace std;
ifstream in("permutari.in");
ofstream out("permutari.out");
void print_solutie(int sol[10], int n)
{
    for(int i =1; i<=n; i++)
    {
        out<<sol[i]<<" ";
    }
    out<<"\n";
}

void bkt (int p, int n, int sol[10], bool visited[10])
{
    if(p==n+1)
    {
        print_solutie(sol,n);
        return;
    }
    for(int i=1; i<=n; i++)
    {
        if(visited[i]==0)
        {
            sol[p]=i;
            visited[i]=1;
            bkt(p+1,n,sol,visited);
            visited[i]=0;
        }

    }

}



int main()
{
     int n;
     int sol[10];
     bool visited[10]={0};
     in>>n;
     bkt(1,n,sol,visited);

return 0;
}