papa easy

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