output_description: Print the letter that follows C in alphabetical order.
  
  * * *
input_description: Input is given from Standard Input in the following format:
  
      
      
      C
attempt: n, m = map(int, input().split())
  ACcount = 0
  WAcount = 0
  WA = []
  AC = []
  for i in range(n):
      WA.append(0)
      AC.append(1)
  for i in range(m):
      p, s = input().split()
      p = int(p)
      if s == "WA":
          if WA[p - 1] >= 0:
              WA[p - 1] += 1
      if s == "AC":
          ACcount += AC[p - 1]
          AC[p - 1] = 0
          if WA[p - 1] >= 0:
              WAcount += WA[p - 1]
              WA[p - 1] = -1
  print(ACcount, WAcount)
  
problem_description: Statement
  
  Given is a lowercase English letter C that is not `z`. Print the letter that
  follows C in alphabetical order.
samples: [{"input": "a", "output": "b\n    \n\n`a` is followed by `b`.\n\n* * *"}, {"input": "y", "output": "z\n    \n\n`y` is followed by `z`."}]