Score : 100 points
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.
The input is given from Standard Input in the following format:
A B C
If it is possible to construct a Haiku by using each of the phrases once, print YES
(case-sensitive). Otherwise, print NO
.
5 5 7
YES
Using three phrases of length 5, 5 and 7, it is possible to construct a Haiku.
7 7 5
NO