# The score for a single round is the score for the shape 
# you selected (1 for Rock, 2 for Paper, and 3 for Scissors)
# plus the score for the outcome of the round
# (0 if you lost, 3 if the round was a draw, and 6 if you won).

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

score = 0
with open("input.txt", "r") as f:
    for line in f.readlines():
        hands = line.strip("\n").split(" ")
        theirs = scores[hands[0]]
        ours = scores[hands[1]]
        score += ours
        if ours > theirs and not (ours == 3 and theirs == 1):
            score += 6
        if ours == theirs:
            score += 3
        if ours == 1 and theirs == 3:
            score += 6

print(score)