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Problems

All digits are even

All digits are even

Time limit 1 second
Memory limit 128 MiB

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

Input data

One four-digit number.

Output data

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

Examples

Input example #1
3456
Output example #1
NO
Input example #2
6082
Output example #2
YES