Problem A. Any number

Author:A. Verkholat   Time limit:1 sec
Input file:Standard input   Memory limit:256 Mb
Output file:Standard output  

Statement

Vasya has three integers: A, B and C, initially number C is equal to zero.

He can use two following operations any number of times.

1) Add number A to number C.

2) Subtract number B from number C.

Vasya also has some integer X (possibly negative) and wants to get it from number C.

Determine if this is always possible or not?

Input format

First line contains 2 integers: A and B.

Output format

Answer to the problem - YES or NO.

Constraints

0 ≤ A ≤ 500

0 ≤ B ≤ 500

Notes on samples

In first example Vasya can get any integer number.

In second example it is impossible to get number 14.

Sample tests

No. Standard input Standard output
1
312 353
YES
2
102 357
NO

0.173s 0.015s 13