#include <fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int n,sol[9],v[9];
int afis(){
    for(int i=1;i<=n;++i)
        g<<sol[i]<<" ";
    g<<'\n';
}
int bkt(int k){
    for(int i=1;i<=n;++i){
        if(!v[i]){
            sol[k]=i;
            v[i]=1;
            if(k<n)
                bkt(k+1);
            else
                afis();
            v[i]=0;
        }
    }
}
int main(){
    f>>n;
    bkt(1);
    return 0;
}