Assignment #75 and Right Triangle Checker

Code

    /// Name: Brendan Baird
    /// Period: 6
    /// Program Name: Right Triangle Checker
    /// File Name: RightTriCheck.java
    /// Date Finished: 11/30/2015
    
    import java.util.Scanner;

    public class RightTriCheck
    {
        public static void main(String[] args)
        {
            Scanner keyboard = new Scanner(System.in);
            
            int side1, side2, side3;
            
            System.out.println("Enter three integers:");
            
            do
            {
                System.out.print("Side 1: ");
                side1 = keyboard.nextInt();
                
                if (side1 <= 0)
                    System.out.println(side1 + " is not greater than 0. Try again.");
            } while (side1 <= 0);
            
            do
            {
                System.out.print("Side 2: ");
                side2 = keyboard.nextInt();
                
                if (side2 < side1)
                    System.out.println(side2 + " is smaller than " + side1 + ". Try again.");
            } while (side2 <= side1);
            
            do
            {
                System.out.print("Side 3: ");
                side3 = keyboard.nextInt();
                
                if (side3 < side2)
                    System.out.println(side3 + " is smaller than " + side2 + ". Try again.");
            } while (side3 <= side2);
            
            System.out.println();
            
            System.out.println("Your three sides are " + side1 + " " + side2 + " " + side3 + ".");
            
            if ( side3 == Math.sqrt(side1*side1 + side2*side2) )
                System.out.println("These sides *do* make a right triangle!");
            else
                System.out.println("NO! These sides do not make a right triangle!");
        }
    }
    

Picture of the output