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())
  num_AC, num_WA = 0, 0
  res = [list(input().split()) for i in range(M)]
  check = ["v"] * N
  WA_check = [0] * N
  for i, j in res:
      i = int(i)
      if check[i - 1] == "v":
          if j == "WA":
              WA_check[i - 1] += 1
          if j == "AC":
              num_AC += 1
              num_WA += WA_check[i - 1]
              check[i - 1] = "."
  print(num_AC, num_WA)
  
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`."}]