P402354 - GYM100735 I Yet another A + B - SSOJ - 省实信息奥赛评测系统

Memory Limit：64 MB Time Limit：0 S

Judge Style：Text Compare Creator：

Submit：0 Solved：0

I. Yet another A + Btime limit per test0.25 secondsmemory limit per test64 megabytesinputstandard inputoutputstandard output

You are given three numbers. Is there a way to replace variables A, B and C with these numbers so the equality A + B = C is correct?

Input

There are three numbers X₁, X₂ and X₃ (1 ≤ X_i ≤ 10¹⁰⁰), each on a separate line of input.

Output

Output either "YES", if there is a way to substitute variables A, B and C with given numbers so the equality is correct, or "NO" otherwise.

ExamplesInput

1
2
3

Output

YES

Input

1
2
4

Output

YES

Input

1
3
5

Output

NO

402354: GYM100735 I Yet another A + B