frequency_distribution = {
  "Beg": 1,
  "Goddard's": 1,
  "I": 3,
  "them": 2,
  "absent": 1,
  "already": 1,
  "alteration": 1,
  "amazement": 2,
  "appeared": 1,
  "apprehensively": 1,
  "associations": 1,
  'clever': 1,
  'clock': 1,
  'composedly': 1,
  'deeply': 7,
  'do': 7,
  'encouragement': 1,
  'entrapped': 1,
  'expressed': 1,
  'flatterers': 1,
  'following': 12,
  'gone': 9,
  'happening': 4,
  'hero': 2,
  'housekeeper': 1,
  'ingratitude': 1,
  'like': 1,
  'marriage': 15,
  'not': 25,
  'opportunities': 1,
  'outgrown': 1,
  'playfully': 2,
  'remain': 1,
  'required': 2,
  'ripening': 1,
  'slippery': 1,
  'touch': 1,
  'twenty-five': 1,
  'ungracious': 2,
  'unwell': 1,
  'verses': 1,
  'yards': 5
}

number_of_as = 0

def a_in_word(word, multiplier):
  return len([x for x in word if x == 'a']) * multiplier

for k, v in frequency_distribution.items():
  number_of_as += a_in_word(k, v)

print(number_of_as)