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