using System;

public class Program

{

    /*

    In this challenge, a farmer is asking you to tell him how many legs can be counted among all his animals. The farmer has three species of animal:

        - Chickens

        - Cows

        - Pigs

    The farmer has counted his animals and he gives you a subtotal for each species. You have to implement a function that returns the total number of legs of all the animals.

    */

    public static void Main()

    {

        // Run the test cases.

        var testCases = new[] 

        {

            CountAnimals(2, 3, 5) == 36,

            CountAnimals(1, 2, 3) == 22,

            CountAnimals(5, 2, 8) == 50

        };

        // Output our results.

        var total = testCases.Length;

        var passed = 0;

        foreach (var result in testCases)

        {

            Console.WriteLine(result ? "✓" : "✗");

            passed = result ? passed + 1 : passed;

        }

        Console.WriteLine();

        Console.WriteLine($"{passed}/{total} tests passed");

    }

    /* Solve the problem */ 

    public static int CountAnimals(int chickens, int cows, int pigs)

    {

        return 0;

    }   

}