Competitions

# PP1 Week 2 Contest 1

# 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**".

Input example #1

3 4 5

Output example #1

YES

Input example #2

7 7 7

Output example #2

NO