Competitions

# Ukrainian Olympiad in Informatics, I Stage

# А+Б=С?

Petya is bored with solving simple problems where you need to find the sum of two numbers, so his programming teacher gave a difficult problem that sounds like this:
Given three integers $a$, $b$ and $c$. Determine is there such a number among them that equals to the sum of two other numbers.
\InputFile
First line contains three integers $a$, $b$ and $c$ ($0 \leq a, b, c \leq 100$).
\OutputFile
Print <<\t{Yes}>>, if such number exists, otherwise print <<\t{No}>> (without quotes).

Input example #1

0 3 3

Output example #1

Yes

Input example #2

1 10 15

Output example #2

No

Input example #3

12 20 8

Output example #3

Yes