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