using System;

class Pet

​

{

    public string name;

    public string breed;

    public int age;

​

    public static int totalNumberOfPets;

    public static int sumOfAllPetAges;

}

{

​

    System.Console.WriteLine("How many pets do you have?");

    int numberofpets = int.Parse(System.Console.ReadLine());

​

    Pet[] yourPet = new Pet[numberofpets];

        for (int i=0; i<numberofpets; i++)

        {

    yourPet[i] = new Pet();

​

    System.Console.WriteLine("What is the name of your pet");

    yourPet[i].name = System.Console.ReadLine();

​

    System.Console.WriteLine("What is the breed of your pet");

    yourPet[i].breed = System.Console.ReadLine();

​

    System.Console.WriteLine("What is the age of your pet");

     yourPet[i].age = int.Parse(Console.ReadLine());

​

    Pet.totalNumberOfPets++;

    Pet.sumOfAllPetAges += yourPet[i].age;

}

​

for (int i=0; i<numberofpets; i++)

​

{

    System.Console.WriteLine("The age of the pet is " + Convert.ToString(yourPet[i].age) + ", the pet's name is " + yourPet[i].name + ", and the breed of the pet is " + yourPet[i].breed + ".");

}

​

 Pet youngest = yourPet[0];

Pet oldest = yourPet[0];

​

​

for (int i=0; i<numberofpets; i++)

  {

       if (yourPet[i].age >= oldest.age)

        {

         oldest = yourPet[i];

        }

   if (yourPet[i].age <= youngest.age)

       {

        youngest = yourPet[i];

        }

​

}

    System.Console.WriteLine(youngest.name + " is the youngest pet.");

    System.Console.WriteLine(oldest.name + " is the oldest pet.");

    double sum = (double) Pet.sumOfAllPetAges / (double) Pet.totalNumberOfPets;

    System.Console.WriteLine("The average age of the pet(s) is " + sum + ".");

}