A+B=C?#10738

A+B=C?

1 second
256 megabytes
Very easy

Petryk finds solving simple problems like finding the sum of two numbers quite dull. To challenge him, his programming teacher has given him a more interesting task:

You are provided with three integers: , , and . Your task is to determine if any one of these numbers is equal to the sum of the other two.

Input

The input consists of a single line with three integers , , and (0 \leq a, b, c \leq 100).

Output

Print «Yes» if there is such a number; otherwise, print «No» (without quotes).

Examples

Example 1

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Example 2

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Example 3

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