int main()
{
	int n;
	cin>>n;
	if(n%3==0)
	{
		if(n%5==0)
		{
			if(n%7==0)cout<<"3"<<" "<<"5"<<" "<<"7"<<endl;
			else cout<<"3"<<" "<<"5"<<endl;
		}
		else if(n%7==0)cout<<"3"<<" "<<"7"<<endl;
		else cout<<"3"<<endl;
	}
	else if(n%5==0)
	{
		if(n%7==0)cout<<"5"<<" "<<"7"<<endl;
		else cout<<"5"<<endl;
	}
	else if(n%7==0)cout<<"7"<<endl;
	else cout<<"n"<<endl;
	return 0;
}