#!/usr/bin/python3
import fileinput

# A = Rock
# B = Paper
# C = Scissors

#        Lose     Draw     Win
score = {'A X':3, 'A Y':4, 'A Z':8,
	 'B X':1, 'B Y':5, 'B Z':9,
	 'C X':2, 'C Y':6, 'C Z':7}

total = 0
for line in fileinput.input():
	total += score[line.rstrip()]

print(total)