package backjoon;

// https://www.acmicpc.net/problem/4153

// 직각삼각형

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.util.StringTokenizer;

public class _4153 {

public static void main(String[] args) throws IOException {

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

//memory 11312 runtime 76

while(true){

StringTokenizer st = new StringTokenizer(br.readLine(), " ");

int a = Integer.parseInt(st.nextToken());

int b = Integer.parseInt(st.nextToken());

int c = Integer.parseInt(st.nextToken());

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

if((a*a + b*b)== c*c){

System.out.println("right");

}else if(a*a ==(b*b + c*c)){

System.out.println("right");

} else if((a*a + c*c) == b*b){

System.out.println("right");

} else{

System.out.println("wrong");

}

}

}

}

/*

input

6 8 10

25 52 60

5 12 13

0 0 0

output

right

wrong

right

*/