import java.util.Scanner;
public class Main {

    public static void main(String[] args) {
	Scanner keyboard = new Scanner(System.in);
	System.out.println("Input 3 integers: ");
	System.out.println("Side 1:");
	int s1 = keyboard.nextInt();
	System.out.println("Side 2: ");
	int s2 = keyboard.nextInt();
	while (s2 < s1){
	    System.out.println(s2 + " is smaller than " +s1+ ". Try again.");
	    System.out.println("Side 2: ");
	    s2 = keyboard.nextInt();
    }
	System.out.println("Side 3: ");
	int s3 = keyboard.nextInt();
	while (s3 < s2){
	    System.out.println(s3+ " is smaller than " +s2+ ". Try again.");
	    System.out.println("Side 3: ");
	    s3 = keyboard.nextInt();
    }
	System.out.println();
        System.out.println("The three sides are: " +s1+ ", " +s2+ ", " +s3+ "." );
        int p = s1*s2*s3;
        double sqrt3 = Math.sqrt(p);
        if (s3 == sqrt3){
            System.out.println("This is a right triangle.");
        } else {
            System.out.println("This is not a right triangle.");
        }

    }
}