e-olymp
Competitions

PP2. Week 1: March 1 - 7

Even and odd numbers

Given three integers a, b, c. Determine is there among them exist at least one even and at least one odd number.

Input

The numbers a, b, c, not exceeding 10000 by absolute value (numbers can be negative).

Output

Print "YES" or "NO".

Time limit 1 second
Memory limit 128 MiB
Input example #1
3 4 5
Output example #1
YES
Input example #2
7 7 7
Output example #2
NO