#!/usr/bin/env python3

import sys
import numpy as np

def calc_score(game):
    a = ['A', 'B', 'C'].index(game[0])
    b = ['X', 'Y', 'Z'].index(game[1])
    if a == b: return 1 + b + 3
    elif b == ((a-1) % 3): return 1 + b
    else: return 1 + b + 6

def calc_moves(game):
    a = ['A', 'B', 'C'].index(game[0])
    o = ['X', 'Y', 'Z'].index(game[1])
    if o == 1: return 1 + a + 3
    elif o == 0: return 1 + ((a - 1) % 3)
    else: return 1 + ((a + 1) % 3) + 6

if __name__ == '__main__':
    games = [tuple(line.strip('\n').split(' ')) for line in open(sys.argv[1])]

    # challenge 1
    scores = list(map(calc_score,games))
    res1 = str(np.sum(scores))
    print("challenge 1:" + "\n" +  res1 + "\n")

    # challenge 2
    scores = list(map(calc_moves,games))
    res2 = str(np.sum(scores))
    print("challenge 2:" + "\n" +  res2 + "\n")