Assignemnt #75 and Right Triangle Checker

Code

/// Name: David Shkolnikov
/// Period: 6
/// Program Name: Right Triangle Checker
/// File Name: RightTriangleChecker.java
/// Date Finished: 1/26/2016

import java.util.Scanner;
public class RightTriangleChecker
{
    public static void main( String[] args )
    {
        Scanner keyboard = new Scanner(System.in);
        
        int s1, s2, s3;
        
        System.out.println("Enter three integers:");
        System.out.print("Side 1: ");
        s1 = keyboard.nextInt();
        
        do
        {
            System.out.print("Side 2: ");
            s2 = keyboard.nextInt();
            if (s2 < s1)
            System.out.println(s2 + " is smaller than " + s1 + ". Try again.");
        }
        while (s2 < s1 );
        
        do
        {
            System.out.print("Side 3: ");
            s3 = keyboard.nextInt();
            if ( s3 < s2 )
            {
                System.out.println(s3 + " is smaller than " + s2 + ". Try again.");
            }
        }
        while ( s3 < s2 );
        System.out.println("\nYour three sides are " + s1 + " " + s2 + " " + s3 );
    
        int sides = (s1 * s1) + (s2 * s2);
        
        if ( Math.sqrt(sides) == s3 )
            System.out.println("These sides *do* make a right triangle. Good for you!");
        else
            System.out.println("No! These sides do not make a right triangle!");
    }
}
    

Picture of the output