Basic Calculator

import java.util.Scanner;

class Calculator
{
    public static void main (String args [])
    {
        boolean Run = true;
        while (Run)
        {
            Scanner Input = new Scanner (System.in);
            double First, Second, Answer;
            int Operation, OperationValue, ExitValue;
            String ExitInput;

            System.out.println ("===================================");
            System.out.println ("Basic Calculator v2.0");

            Operation = 0;
            OperationValue = 0;
            while (OperationValue == 0)
            {
                System.out.println (" ");
                System.out.println ("Operations");
                System.out.println ("-----------------------");
                System.out.println ("1 = Addition");
                System.out.println ("2 = Subtraction");
                System.out.println ("3 = Multiplication");
                System.out.println ("4 = Division");
                System.out.println ("-----------------------");
                System.out.print ("Select Operation: ");
                Operation = Input.nextInt ();

                if (Operation == 1 || Operation == 2 || Operation == 3 || Operation == 4)
                {
                    OperationValue = 1;
                }

                else
                {
                    System.out.println (" ");
                    System.out.println ("Invalid Input");
                }
            }

            System.out.println (" ");
            System.out.print ("Enter First Number: ");
            First = Input.nextDouble ();

            System.out.println (" ");
            System.out.print ("Enter Second Number: ");
            Second = Input.nextDouble ();

            if (Operation == 1)
            {
                Answer = First + Second;
                System.out.println (" ");
                System.out.print ("Answer: ");
                System.out.println (First + " + " + Second + " = " + Answer);
            }

            else if (Operation == 2)
            {
                Answer = First - Second;
                System.out.println (" ");
                System.out.print ("Answer: ");
                System.out.println (First + " - " + Second + " = " + Answer);
            }

            else if (Operation == 3)
            {
                Answer = First * Second;
                System.out.println (" ");
                System.out.print ("Answer: ");
                System.out.println (First + " x " + Second + " = " + Answer);
            }

            else if (Operation == 4)
            {
                Answer = First / Second;
                System.out.println (" ");
                System.out.print ("Answer: ");
                System.out.println (Answer);
                System.out.println (First + " / " + Second + " = " + Answer);
            }

            ExitValue = 0;
            while (ExitValue == 0)
            {
                System.out.println (" ");
                System.out.print ("Do You Want To Exit? (Y/N): ");
                ExitInput = Input.next ();

                if (ExitInput.equalsIgnoreCase ("Y"))
                {
                    ExitValue = 1;
                    Run = false;
                    Input.close ();
                    System.out.println (" ");
                    System.out.println ("Exiting");
                }

                else if (ExitInput.equalsIgnoreCase ("N"))
                {
                    ExitValue = 1;
                }

                else
                {
                    System.out.println ("Invalid Input");
                }
            }
        }
    }
}