using System;

public class Program

{

    public static void Main()

    {

            string[,,] numbers = new string[2,2,3]

            { 

                {

                {"Baz","19","Blue eyes"},

                {"Bill","20","Brown eyes"}

                },

             {

                {"Charlie","21","Green eyes"},

                {"Caroline","22","Blue eyes"}

              }

​

            };

​

            //1. Output Charlie's Name

        Console.WriteLine(numbers[1,0,0]);

            //2. Output Brown eyes

        Console.WriteLine(numbers[0,1,2]);

            //3. Output Caroline's Age

        Console.WriteLine(numbers[1,1,1]);

            //4. Add together the ages of Baz, Bill, Charlie and Caroline using Iteration

        int age = 0;

        for(int i = 0; i<2; i++){

            for(int j = 0; j<2; j++){

                age += Convert.ToInt32(numbers[i,j,1]);

            }

        }

        Console.WriteLine(age);

            //5. Find the average age of each page of people i.e. Baz and Bill, Charlie and Caroline, using Iteration

        int age1 = 0;

        int mean = 0;

        for(int i = 0; i<2; i++){

            age1 = 0;

            mean = 0;

            for(int j = 0; j<2; j++){

                age1 += Convert.ToInt32(numbers[i,j,1]);

            }

            mean = age1/2;

            Console.WriteLine(mean);

        }

            //6. Find the average age of all of the people using Iteration

        int age2 = 0;

        int mean1 = 0;

        for(int i = 0; i<2; i++){

            for(int j = 0; j<2; j++){

                age2 += Convert.ToInt32(numbers[i,j,1]);

                mean1 = age2/4;

            }

        }

        Console.WriteLine(mean);

    }

}