백준 4153번 자바 : 직각삼각형

import java.util.Arrays;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);

		while(true) {
			int x = in.nextInt();
			int y = in.nextInt();
			int z = in.nextInt();
            
			if(x==0 && y==0 && z==0) break;
            
			int[] array = new int[3];
			array[0] = x;
			array[1] = y;
			array[2] = z;
            
            //정렬하여 가장 긴 변이 끝에 오게 함
			Arrays.sort(array);
			x = array[0];
			y = array[1];
			z = array[2];

			if(x*x + y*y == z*z) System.out.println("right");
			else System.out.println("wrong");
		}
	}

}