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Problems

Even and odd numbers

Even and odd numbers

Time limit 1 second
Memory limit 128 MiB

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

Input data

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

Output data

Print "YES" or "NO".

Examples

Input example #1
3 4 5
Output example #1
YES
Input example #2
7 7 7
Output example #2
NO