#include<fstream>
using namespace std;
ofstream out("permutari.out");
int sol[10],n; bool ver[9];
void prelucrare()
{
    for(int i=1;i<=n;i++)
        out<<sol[i]<<" ";
    out<<"\n";
}
void bkt(int p){
    if(p-1==n){
        prelucrare();
        return;
    }
    for(int i=1;i<=n;i++){
        sol[p]=i;
        if(ver[i]) continue;
        ver[i]=true;
        bkt(p+1);
        ver[i]=false;
    }
}
int main()
{
    ifstream in("permutari.in");
    in>>n;
    bkt(1);
    return 0;
}