백준 4153 (복습)

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.*;

// Press Shift twice to open the Search Everywhere dialog and type show whitespaces,
// then press Enter. You can now see whitespace characters in your code.
public class Main {
public static void main(String[] args) throws IOException {

    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

    while(true) {
        StringTokenizer st = new StringTokenizer(br.readLine());
        double a = Integer.parseInt(st.nextToken());
        double b = Integer.parseInt(st.nextToken());
        double c = Integer.parseInt(st.nextToken());

        if(a==0 && b==0 && c==0)
        {
            break;
        }


        double a2 = Math.pow(a, 2);
        double b2 = Math.pow(b, 2);
        double c2 = Math.pow(c, 2);

        if(a2+b2==c2 || a2+c2==b2 || b2+c2==a2)
        {
            System.out.println("right");
        }
        else{
            System.out.println("wrong");
        }



    }






}

}