Assignemnt #75 and Right Triangle Checker

Code

    
   ///name: nick cerdan
    ///period: 6
    ///program name: Right triangle checker
    ///file name: RTChecker.java
    ///date finished: 10/27/15
    
    import java.util.Scanner;
    
    public class RTChecker
    {
        public static void main(String[] args)
        { 
            Scanner keyboard = new Scanner(System.in);
            
            int s1, s2, s3, left, right;
            
            System.out.println("Enter three integers in ascending order:");
            System.out.print("Side 1: ");
            s1 = keyboard.nextInt();
            System.out.print("Side 2: ");
            s2 = keyboard.nextInt();
            
            while (s2 < s1)
            {
                System.out.println( s2 + " is smaller than " + s1 + ". Try again.");
                System.out.print("Side 2: ");
                s2 = keyboard.nextInt();
            }
            
            System.out.print("Side 3: ");
            s3 = keyboard.nextInt();
            
            while (s3 < s2)
            {
                System.out.println( s3 + " is smaller than " + s2 + ". Try again.");
                System.out.print("Side 3: ");
                s3 = keyboard.nextInt();
            }
            
            System.out.println("Your three sides are " + s1 + " " + s2 + " " + s3);
            
            left = (s1 * s1) + (s2 * s2);
            right = (s3 * s3);
            
            if (left == right)
            {
                System.out.println("Those sides do make a right triangle!");
            }
            
            else
            {
                System.out.println("Nope! those isdes don't make a right triangle!");
            }
        }
    }