using System;
using System.Text;
using System.Collections;
namespace Forum
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] str1 = { "Cat", "Dog", "Pig", "Horse", "Wolf", "Elephant" };
            Animal letter = new Animal();
            int res = letter.NumberOfRights(str1);
            Console.WriteLine("Letter \'a\' found {0}" ,res);
            Console.ReadLine();


        }
    }
    class Animal
    {
        public int NumberOfRights(string[]str1)
        {
            int number = 0;
            string compare = "a";
            foreach (var item in str1)
            {
                if (item.Contains(compare))
                {
                    number++;
                }
            }
            return number;
        }
    }
}