Problem:
Score : 100 points

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.

Constraints

1≦A,B,C≦10

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.

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

Solution in Python (3.4.3) (judge verdict: Wrong Answer)

A,B,C=map(int,input().split())
#755の時の検証
if 7==A: 
    if 5==B:
        if 5==C:
            print("YES")
        else:
            print("NO")
    elif 5==C:
        if 5==B:
            print("YES")
        else:
            print("NO")
    else:
        print("NO")
#575の時の検証
if 7==B: 
    if 5==A:
        if 5==C:
            print("YES")
        else:
            print("NO")
    elif 5==C:
        if 5==A:
            print("YES")
        else:
            print("NO")
    else:
        print("NO")
#557の時の検証
if 7==C: 
    if 5==B:
        if 5==A:
            print("YES")
        else:
            print("NO")
    elif 5==A:
        if 5==B:
            print("YES")
        else:
            print("NO")
    else:
        print("NO")