☠⚐✞✋👍☜ 💧⚐☹🕆❄✋⚐☠

#include<iostream>
using namespace std;
int main(){
int a;
cin >>a;
if(a%30)
cout << 3 << " ";
if(a%50)
cout << 5 << " ";
if(a%7==0)
cout << 7 << " ";
if(a%3!=0&&a%5!=0&&a%7!=0)
cout << "n";
}