# X means you need to lose, 
# Y means you need to end the round in a draw, 
# and Z means you need to win. Good luck!"

scores = {
    "A": 1, #Rock
    "B": 2, #Paper
    "C": 3 #Scissors
}

score = 0
with open("input.txt", "r") as f:
    for line in f.readlines():
        strategy = line.strip("\n").split(" ")
        theirs = scores[strategy[0]]
        victory = strategy[1]
        ours = 0
        if victory == "X": # Lose
            ours = theirs-1
        elif victory == "Y": # Draw
            ours = theirs
            score += 3
        elif victory == "Z": # Win
            ours = theirs+1
            score += 6
        if ours == 0:
            ours = 3
        if ours > 3:
            ours = 1
        score += ours
print(score)