using namespace std;
int main()
{
	double a,b;
	cin>>a>>b;
	a=a/(b*b);
	if(a<18.5)
	{
		cout<<"Underweight";
	}
	else if(a>=18.5&&a<24)
	{
		cout<<"Normal";
	}
	else
	{
		cout<<a;
		cout<<endl;
		cout<<"Overweight";
	}
	
	return 0;
}

判断就好了，但要用double