n,m = [int(x) for x in input().split(" ")]
ingredients = {
  '.': [20, 0],
  'O': [10, 0],
  '\\': [25, 0],
  '/': [25, 0],
  'A': [35, 0],
  '^': [5, 0],
  'v': [22, 0]
}

for i in range(n):
  string = input()
  for token in string:
    ingredients[token][1] += 1  
  
real_values = [x[0] * x[1] for x in ingredients.values()]
print(sum(real_values))