AtCoder Beginner Contest 047
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Problem Statement
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Two students of AtCoder Kindergarten are fighting over candy packs.
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There are three candy packs, each of which contains $a$, $b$, and $c$ candies, respectively.
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Teacher Evi is trying to distribute the packs between the two students so that each student gets the same number of candies. Determine whether it is possible.
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Note that Evi cannot take candies out of the packs, and the whole contents of each pack must be given to one of the students.
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Constraints
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$1 ≦ a, b, c ≦ 100$
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Input
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The input is given from Standard Input in the following format:
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a b c翻译中…
Output
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If it is possible to distribute the packs so that each student gets the same number of candies, print Yes. Otherwise, print No.
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样例
Input #1
10 30 20
Output #1
Yes
Give the pack with $30$ candies to one student, and give the two packs with $10$ and $20$ candies to the other. Then, each gets $30$ candies.
Input #2
30 30 100
Output #2
No
In this case, the student who gets the pack with $100$ candies always has more candies than the other.
Note that every pack must be given to one of them.
Input #3
56 25 31
Output #3
Yes
题目信息
题面与样例版权归 AtCoder 及出题人所有；中文翻译由 AI 生成（CI 管线），如有出入请以原文为准。