#!/usr/bin/env python

# lose: 0
# draw: 3
# win: 6

# x: need to lose
# y: need to draw
# z: need to win

ROCK     = 'A'
PAPER    = 'B'
SCISSORS = 'C'

LOSE = 'X'
DRAW = 'Y'
WIN  = 'Z'

outcomes = {
    ROCK: { # rock: 1
        ROCK: 1 + 3, # rock
        PAPER: 2 + 6, # paper
        SCISSORS: 3 + 0  # scissors
    },
    PAPER: { # paper: 2
        ROCK: 1 + 0, # rock
        PAPER: 2 + 3, # paper
        SCISSORS: 3 + 6  # scissors
    },
    SCISSORS: { # scissors: 3
        ROCK: 1 + 6, # rock
        PAPER: 2 + 0, # paper
        SCISSORS: 3 + 3  # scissors
    }
}

strategies = {
    ROCK: {
        LOSE: SCISSORS,
        DRAW: ROCK,
        WIN: PAPER
    },
    PAPER: {
        LOSE: ROCK,
        DRAW: PAPER,
        WIN: SCISSORS
    },
    SCISSORS: {
        LOSE: PAPER,
        DRAW: SCISSORS,
        WIN: ROCK
    }
}

score = 0

with open('input') as f:
    for line in f:
        parts = line.rstrip().split(" ")
        
        oppo_move = parts[0]
        our_move = strategies[oppo_move][parts[1]]
        score = score + outcomes[oppo_move][our_move]

print(score)