#include <iostream>
#include <fstream>

using namespace std;

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


const int NMAX = 9;

int n;
int v[NMAX];
int f[NMAX];

void bt(int x)
{
    if(x==n+1)
    {
        for(int i=1; i<=n; i++)
        {
            out<<v[i]<<" ";
        }
        out<<'\n';
    }
    else
    {
        for(int i=1; i<=n; i++)
        {
            if(f[i]==0)
            {
                v[x]=i;
                f[i]=1;
                bt(x+1);
                f[i]=0;
            }

        }
    }



}


int main()
{
    in>>n;
    bt(1);
}