#include <bits/stdc++.h>
using namespace std;
int main(){
	int n;
	cin>>n;
	if(n%3==0&&n%5==0&&n%7==0)
		cout<<"3 5 7";
	else if(n%3==0&&n%5==0)
		cout<<"3 5";
	else if(n%5==0&&n%7==0)
		cout<<"5 7";
	else if(n%3==0&&n%7==0)
		cout<<"3 7";
	else if(n%3==0)
		cout<<3;
	else if(n%5==0)
		cout<<5;
	else if(n%7==0)
		cout<<7;
	else
		cout <<"n";
	return 0;
}

#include<bits/stdc++.h>

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