Integer Comparison Output

Given two integers \(a\) and \(b\), if \(a \leq b\) then output "YE5", otherwise output "N0". Note that the second character is an Arabic numeral.

inputFormat

The input consists of two space-separated integers \(a\) and \(b\).

outputFormat

Output a string which is either "YE5" if \(a\le b\) or "N0" otherwise.

sample

3 5

YE5