#include<iostream> using namespace std; int main(){ int x; cin>>x; if(x%7==0&&x%5==0&&x%3==0){ cout<<"3 5 7"; }else if(x%3==0&&x%5==0){ cout<<"3 5"; }else if(x%3==0&&x%7==0){ cout<<"3 7"; }else if(x%5==0&&x%7==0){ cout<<"5 7"; }else if(x%7==0){ cout<<"7"; }else if(x%5==0){ cout<<"5"; }else if(x%3==0){ cout<<"3"; }else{ cout<<"n"; } return 0; }