output_description: Print the largest value among A+B, A-B and A \times B.
  
  * * *
input_description: Input is given from Standard Input in the following format:
  
      
      
      A B
attempt: N = int(input())
  S = list(input())
  change_min = N
  for leader in range(N):
      S_west = S[:leader]
      S_east = S[leader + 1 : N]
      change = S_west.count("W") + S_east.count("E")
      if change <= change_min:
          change_min = change
  print(change_min)
  
problem_description: Statement
  
  You are given two integers A and B. Find the largest value among A+B, A-B and
  A \times B.
samples: [{"input": "3 1", "output": "4\n    \n\n3+1=4, 3-1=2 and 3 \\times 1=3. The largest among them is 4.\n\n* * *"}, {"input": "4 -2", "output": "6\n    \n\nThe largest is 4 - (-2) = 6.\n\n* * *"}, {"input": "0 0", "output": "0"}]