\includegraphics{https://static.e-olymp.com/content/3c/3cc1df8493c204a4995944d11d019f868f063cb4.jpg} 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. \InputFile Consists of several test cases, followed by a line containing $0~0~0$. Each test case has three positive integers, less than $30000$, denoting the lengths of the sides of a triangle. \OutputFile For each test case print a line containing "\textbf{right}" if the triangle is a right triangle, and a line containing "\textbf{wrong}" if the triangle is not a right triangle.