P25503 [AtCoder] Iroha and Haiku (ABC Edition)
入门
题目描述

Problem Statement

Iroha loves Haiku. Haiku is a short form of Japanese poetry. A Haiku consists of three phrases with 5, 7 and 5 syllables, in this order.
To create a Haiku, Iroha has come up with three different phrases. These phrases have A, B and C syllables, respectively. Determine whether she can construct a Haiku by using each of the phrases once, in some order.

Input

The input is given from Standard Input in the following format:
A B C

Output

If it is possible to construct a Haiku by using each of the phrases once, print YES (case-sensitive). Otherwise, print NO.

Constraints

  • 1≦A,B,C≦10

Sample Input 1

5 5 7

Sample Output 1

YES

Using three phrases of length 5, 5 and 7, it is possible to construct a Haiku.

Sample Input 2

7 7 5

Sample Output 2

NO

输入格式

见题面 Input 部分

输出格式

见题面 Output 部分

样例输入
5 5 7
样例输出
YES