#include <iostream>
using namespace std;

int main()
{
  bool hit = 0;
	int R, x, y;

	cin >> R; cin >> x; cin >> y;

	if (-R <= x && x < 0 && 0 < y && y <= R)
		if ((x - R)*(x - R) + (y + R)*(y + R) >= R * R)
			hit = 1;
	else if (0 < x && x <= R && -R <= y && y < 0)
		if ((x + R)*(x + R) + (y - R)*(y - R) >= R * R)
			hit = 1;

	if (hit == 1)
		cout << "Eeee";
	else
		cout << "Bad";
}