using System;

public class Program

{

    public static void Main()

    {

        int name;

        int surname;

        int age;

        string answer;

        Console.Write("Enter Your Name:");

        name = int.Parse(Console.ReadLine().ToUpper());

        Console.Write("Enter Your Surname:");

        surname = int.Parse(Console.ReadLine().ToUpper());

        Console.WriteLine("Hello:" + name+ +surname);

        Console.WriteLine("How old are you?");

        age = int.Parse(Console.ReadLine());

        if(age<18)

        {

            Console.WriteLine("You are too young to date!");

        }

        else if(age>18 && age<21)

        {

            Console.WriteLine("Do you have a digree?");

            answer = Console.ReadLine().ToUpper();

            swicth(answer)

                case "NO":  

            {

            Console.WriteLine("You are too young to get married!");

            }

            break;

            case "YES": 

            {

            Console.WriteLine("You are too young to get married!");

            }

            break;

    }

}