volleyball

type_of_year = input()
holidays = int(input())
weekends_in_home_town = int(input())
all_weekends = 48
weekends_in_sofia = all_weekends - weekends_in_home_town
games_in_sofia = weekends_in_sofia * 3 / 4
games_in_home_town = weekends_in_home_town
holidays_games = holidays * 2 / 3
total_games = games_in_sofia + games_in_home_town + holidays_games
if type_of_year == 'leap':
    total_games *= 1.15
print(int(total_games))