1473 - Egypt

Time Limit : 2 Second

Memory Limit : 64 MB

Submission: 47

Solved: 13

Description
A long time ago, the Egyptians figured out that a triangle with sides of length 3, 4, and 5 had a right angle as its largest angle. You must determine if other triangles have a similar property.

Input
Input represents several test cases, followed by a line containing 0 0 0. Each test case has three positive integers, less than 30,000, denoting the lengths of the sides of a triangle.
Output
For each test case, a line containing "right" if the triangle is a right triangle, and a line containing "wrong" if the triangle is not a right triangle.
sample input
6 8 10
25 52 60
5 12 13
0 0 0
sample output
right
wrong
right
hint
source
waterloo 2 October, 2010
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