Equal Distribution of Chocolates

You are given two non-negative integers \(C\) and \(D\) representing the number of chocolates in two boxes. Your task is to determine whether it is possible to distribute all the chocolates equally among a positive number of children.

The distribution is considered possible if the total number of chocolates is greater than zero. In other words, if \(C + D > 0\), you should print YES; otherwise, if both \(C\) and \(D\) are zero, print NO.

inputFormat

The input consists of a single line containing two space-separated integers \(C\) and \(D\) (\(0 \leq C, D \leq 10^9\)).

outputFormat

Output a single line containing either YES if the chocolates can be distributed, or NO otherwise.

3 6

YES