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.
a,b,c=input().split()
d=[a,b,c]
print(d.count("5"))
if d.count("5")==2 and d.count("7")==1:
    print("YES")

else:
    print("NO")

a,b,c=input().split()
d=[a,b,c]

if d.count("5")==2 and d.count("7")==1:
    print("YES")

else:
    print("NO")