using System;

public class Program

{

    public static void Main()

    {

        // create doubles necessary for system

    String Name ;

    String LastName ;

    Double yearborn ;

    Double testScore ;

        Console.WriteLine(" what is your name");

        Name = Console.ReadLine();

        Console.WriteLine(" what is your last name");

    LastName = Console.ReadLine();

        Console.WriteLine(" What year were you born");

        yearborn = double.Parse(Console.ReadLine());

        Console.WriteLine(" What is your test score");

        testScore = double.Parse(Console.ReadLine());

        Console.WriteLine(" your name is " + Name +" "+ LastName );

     Console.WriteLine(" your age is " + (2018 - yearborn ));

        if (59 >testScore) 

        { Console.WriteLine(" your grade is an E" );

        }

        if (60 <= testScore && testScore <= 69 )

        {   Console.WriteLine(" you will get a D");

        }

        if ( 70 <= testScore && testScore <= 79)

        {   Console.WriteLine(" You will get a C");

        }

        if ( 80 <= testScore && testScore <= 89)

        {   Console.WriteLine(" you will get a B");

        }

        if ( 90 <= testScore && testScore <= 100)

        { Console.WriteLine(" you will get a A");

        }

    }

}