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ZOJ Problem Set - 1608
Two Circles and a Rectangle

Time Limit: 2 Seconds      Memory Limit: 65536 KB

Give you two circles and a rectangle, your task is to judge wheather the two circles can be put into the rectangle with no part of circles outside the retangle.


Input

There are multiple test cases. In every test cast, there are four float-point numbers:

a, b, r1, r2

where, a and b are two sides of the rectangle, r1 and r2 are radii of the two circls.


Output

Print a "Yes", if the circles can be put into the rectangle. Otherwise, print a "No".

You can safely assume x < y, where x and y are float-point numbers, if x < y + 0.01.


Sample Input

5 4 1 1
5 4 1.5 2


Sample Output

Yes
No



Author: CHEN, Gaoli
Source: ZOJ Monthly, May 2003
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