Competitions

# PP1 Week 2 Conditionals Part 2

# All digits are even

Four-digit number is given. Check whether all its digits are even.

#### Input

One four-digit number.

#### Output

Print "**YES**" if all digits of the given number are even. Print "**NO**" otherwise.

Input example #1

3456

Output example #1

NO

Input example #2

6082

Output example #2

YES