import os

f = open(os.path.dirname(__file__)+"/input.txt", "r")

tot = 0

selection = {'X': 1, 'Y': 2, 'Z': 3}

for l in f:
    choices = l.split(" ")
    result = 'draw'

    match choices[0]:
        case 'A':
            match choices[1]:
                case 'Y':
                    result = 'win'
                case 'Z':
                    result = 'loss'
        case 'B':
            match choices[1]:
                case 'X':
                    result = 'loss'
                case 'Z':
                    result = 'win'
        case 'C':
            match choices[1]:
                case 'X':
                    result = 'win'
                case 'Y':
                    result = 'loss'
    value = selection.get(choices[1])

    match choices[1]:
        case 'X':
            tot = tot + 1
        case 'Y':
            tot = tot + 2
        case 'Z':
            tot = tot + 3

    if result == 'draw':
        tot = tot + 3
    if result == 'win':
        tot = tot + 6

print(tot)