output_description: If it is possible to change S into `AKIHABARA`, print `YES`; otherwise, print
  `NO`.
  
  * * *
input_description: Input is given from Standard Input in the following format:
  
      
      
      S
attempt: S = input()
  if len(S) >= 10:
    print("NO")
  else:
    if S == "AKIHABARA":
      print("YES")
    elif S == "KIHABARA":
      print("YES")
    elif S == "AKIHBARA":
      print("YES")
    elif S == "AKIHABRA":
      print("YES")
    elif S == "AKIHABR":
      print("YES")
    elif S == "KIHBARA":
      print("YES")
    elif S == "KIHABRA":
      print("YES")
    elif S == "KIHABAR":
      print("YES")
    elif S == "AKIHBRA":
      print("YES")
    elif S == "AKIHABR":
      print("YES")
    elif S == "KIHBRA":
      print("YES")
    elif S == "KIHBAR":
      print("YES")
    elif S == "AKIHBR":
      print("YES")
    elif S == "KIHBR":
      print("YES")
    else;
    print("NO")
problem_description: Statement
  
  You are given a string S.
  
  Takahashi can insert the character `A` at any position in this string any
  number of times.
  
  Can he change S into `AKIHABARA`?
samples: [{"input": "KIHBR", "output": "YES\n    \n\nInsert one `A` at each of the four positions: the beginning, immediately after\n`H`, immediately after `B` and the end.\n\n* * *"}, {"input": "AKIBAHARA", "output": "NO\n    \n\nThe correct spell is `AKIHABARA`.\n\n* * *"}, {"input": "AAKIAHBAARA", "output": "NO"}]