using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Please Enter Your Name");

        string name = Console.ReadLine();

        int score = 0;

        Console.WriteLine("Question #1: What is the largest carnivores land animal?");

        Console.WriteLine("1: african lion");

        Console.WriteLine("2: spinosaurus");

        Console.WriteLine("3: bangle tiger");

        Console.WriteLine("4: tyrannosaurus rex");

        string ans1 = Console.ReadLine();

        switch (ans1)

        {

            case "1":

                Console.WriteLine("Your Answer is incorrect");

                break;

            case "2":

                Console.WriteLine("Your answer is correct.");

                score = score + 1;

                break;

            case "3":

                Console.WriteLine("Your Answer is incorrect");

                break;

            case "4":

                Console.WriteLine("Your Answer is incorrect");

                break;

            default:

                Console.WriteLine("Your answer is invalid");

                break;

    }

        Console.ReadLine();

        Console.Clear();

        Console.WriteLine("Question #2: What shark is the smallest?");

        Console.WriteLine("1: great white shark");

        Console.WriteLine("2:megalodon");

        Console.WriteLine("3: whale shark");

        Console.WriteLine("4: basking shark");

        string ans2 = Console.ReadLine();

        switch (ans2)

        {

            case "1":

                Console.WriteLine("Your answer is correct.");

                score = score + 1;

                break;

            case "2":

                Console.WriteLine("Your Answer is incorrect");

                break;

            case "3":

                Console.WriteLine("Your Answer is incorrect");

                break;

            case "4":

                Console.WriteLine("Your Answer is incorrect");

                break;

            default:

                Console.WriteLine("Your answer is invalid");

                break;

        }

        Console.WriteLine("Question #1: what is the biggest whale?");

        Console.WriteLine("1: sperm whale");

        Console.WriteLine("2: blue whale");

        Console.WriteLine("3: humpback whale");

        Console.WriteLine("4: bowhead whale");

        string ans3 = Console.ReadLine();

        switch (ans1)

        {

            case "1":

                Console.WriteLine("Your Answer is incorrect");

                break;

            case "2":

                Console.WriteLine("Your answer is correct.");

                score = score + 1;

                break;

            case "3":

                Console.WriteLine("Your Answer is incorrect");

                break;

            case "4":

                Console.WriteLine("Your Answer is incorrect");

                break;

            default:

                Console.WriteLine("Your answer is invalid");

                break;

    }

        Console.ReadLine();

        Console.Clear();

        Console.WriteLine("Question #2: What month is halloween Celebrated?");

        Console.WriteLine("1: October");

        Console.WriteLine("2:March");

        Console.WriteLine("3: April");

        Console.WriteLine("4: May");

        string ans4 = Console.ReadLine();

        switch (ans2)

        {

            case "1":

                Console.WriteLine("Your answer is correct.");

                score = score + 1;

                break;

            case "2":

                Console.WriteLine("Your Answer is incorrect");

                break;

            case "3":

                Console.WriteLine("Your Answer is incorrect");

                break;

            case "4":

                Console.WriteLine("Your Answer is incorrect");

                break;

            default:

                Console.WriteLine("Your answer is invalid");

                break;

        }

        Console.ReadLine();

        Console.Clear();

        Console.WriteLine("Congratulations " + name + ". You scored " + score + " out of 4 correctly.");

    }

}