Олимпиадный тренинг

Задача 33641. Point on the coordinate plane - 6


Write a program that which determines whether the point with the given coordinates is in the shaded area.

Input: The input string contains two real numbers – coordinates of a point on the plane (first -coordinate, then – -coordinate).

Output: The program should output the word 'YES' if the point is in the shaded area, and the word 'NO' if it is not.

 

Examples
# Input Output
1 0. 0. NO