#include<fstream>
#include<iostream>
using namespace std;
short n,z,v[10],c[10];
ifstream in("permutari.in");
ofstream out("permutari.out");
void afis()
{
    for(int i=1;i<=n;i++)
        out<<v[i]<<" ";
    out<<'\n';
}
void back(int k)
{
    if(k==n+1)
      afis();
    else
    for(int i=1;i<=n;i++)
    {
        if(c[i]==0)
        {
            c[i]=1;
            v[k]=i;
            back(k+1);
            c[i]=0;
        }

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