// class4demo_if_statements.cpp

#include <iostream>
#include <cmath>
using namespace std;

int main()
{
	double majorRadius = 0.0;
	double minorRadius = 0.0;
	double answer = 0.0;

	cin >> majorRadius >> minorRadius;

	answer = 2 * 3.14 * sqrt((pow(majorRadius, 2) + pow(minorRadius, 2)) / 2);
	
	if (answer > 10)
	{
		if (answer > 50)
		{
			cout << "That's a REALLY big circumference" << endl;
		}
		else
		{
			cout << "That's big but not really big" << endl;
		}
	}
	
	
	
	
	
	
	/*
	if (!(answer > 10)) 
	{
		cout << "That is a small circumference" << endl;
	}
	
	

	if (answer > 10)	
	{
		cout << "My that's a big circumference " << answer << endl;
		cout << "goodbye" << endl;
	}
	else if (answer < 10 && answer >= 0 && answer != 5)
	{
		cout << "My that's a small circumference " << answer << endl;
		cout << "goodbye" << endl;
	}
	else if (answer < 0)
	{
		cout << "My that's impossible. Are you sure? " << answer << endl;
		cout << "goodbye" << endl;
	}
	else
	{
		cout << "Call tech support if you see this message" << endl;
	}
*/	
	
	
	
	
	
	
	
	
	/*
	if (answer > 10)	
	{
		cout << "My that's a big circumference " << answer << endl;
		cout << "goodbye" << endl;
	}
	else
	{
		cout << "My that's a small circumference " << answer << endl;
		cout << "goodbye" << endl;
	}
*/




	//       <   >   <=    >=   ==
	
		
		
		return 0;
}// end of main