Trace the final output of the source code

import java.util.*; public class Mystery{ } public static void main(String[] args){ Scanner input=new Scanner(System.in); final int intNum=10; } final double dblNum=20.5; int int1stNumber, int2nd Number; double dblNewNumber; char grade; int1stNumber=25; System.out.println("int1stNumber=" +int1stNumber); System.out.print("Enter the first integer:"); int1stNumber=input.nextInt(); System.out.println(); System.out.println("Enter the second integer:"); int2ndNumber-input.nextInt(); System.out.println(); System.out.println("The numbers you entered are "+int1stNumber +" and "+int2ndNumber); dblNewNumber= dblNum+2*int1stNumber-int2nd Number; System.out.println("dblNewNumber= " +dblNewNumber); grade='A'; System.out.println("Your grade is " +grade); int1stNumber=2*intNum+(int)grade; System.out.println("The value of int1stNumber= "+int1stNumber);