#include <fstream>
#include <algorithm>
#include <string>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
string c;
short int z,x;
int main(){
    int i;
    fin>>z;
    for(i=0;i<z;++i){
        c+='a'+i;
    }
    do{
        for(i=0;i<z;++i){
            fout<<c[i]-'a'+1<<' ';
        }
        fout<<'\n';
    }while(next_permutation(c.begin(),c.end()));
    return 0;
}