#!/usr/bin/env python3

INPUT_FILE = 'input'

# rock = 1
# paper = 2
# scissor = 3

# lose = X
# draw = Y
# win = Z

def main():
    score = 0
    content = map(str.strip, open(INPUT_FILE, 'r').readlines())
    for line in content:
        enemy_move, game_result = line.split(' ')
        enemy_move = ord(enemy_move)-64
        if game_result == 'X': 
            # lose
            my_move = enemy_move - 1 or 3
        elif game_result == 'Y':
            # draw
            my_move = enemy_move
        elif game_result == 'Z':
            # win
            my_move = ( enemy_move % 3 ) + 1
        if my_move == enemy_move + 1 or (my_move == 1 and enemy_move == 3):
            score += 6
        elif my_move == enemy_move:
            score += 3
        score += my_move

    print(score)

if __name__ == '__main__':
    main()