#include <iostream>
using namespace std;
int main()
{
	string grade_str, output_str;
	cout << "Enter you grade: ";
	cin >> grade_str;
	int grade_num;


	if (str == "A") {
		grade_num = 1;
	}
	if (str == "B") {
		grade_num = 2;
	}
	if (str == "C") {
		grade_num = 3;
	}
	if (str == "D") {
		grade_num = 4;
	}
	if (str == "E") {
		grade_num = 5;
	}
	if (str == "F") {
		grade_num = 6;
	}



	switch (grade_num) {
		case 1 : {
			output_str = "Ant";
			break;
		}
		case 2 : {
			output_str = "Bird";
			break;
		}
		case 3 : {
			output_str = "Cat";
			break;
		}
		case 4 : {
			output_str = "Dog";
			break;
		}
		case 5 : {
			output_str = "Error";
			break;
		}
		case 6 : {
			output_str = "Frog";
			break;
		}
		default : {
			output_str = "NOT FOUND";
			break;
		}
	}
	cout << "\n" << output_str;
	system("pause > nul");
	system("exit");
	return 0;
}