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.
def test(): 
  arr = input()
  arr = arr.split()
  arr = arr.sort()
  if arr==['5', '5', '7']:
    print("YES")
  else:
    print("NO")  
test()
  	
def test(): 
  arr = input()
  arr = arr.split()
  arr = sorted(arr)
  if arr==['5', '5', '7']:
    print("YES")
  else:
    print("NO")  
test()