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