Volleyball

import math
word = input()
p = int(input())
h = int(input())
leap_year = 0
play_weekend = 0
all_weekend = 48
sofia_weekend = ((48 - h) * 3 / 4) + (p * 2 / 3)
if word == 'normal':
    play_weekend = sofia_weekend + h
    print(math.floor(play_weekend))
else:
    play_weekend = (sofia_weekend + h) + (sofia_weekend + h) * 0.15
    print(math.floor(play_weekend))