#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define BUFFER_SIZE 5

#define score_play(p) (p - 'W')
#define win(o, m) (o == m ? 3 : ((o - m == 1 || o - m == -2) ? 0 : 6))
#define score_game(o, m) (score_play(m) + win((o - 'A'), (m - 'X')))
#define win_strategy(o) (o - 'A' + 1 > 2 ? 'X' : o - 'A' + 1 + 'X')
#define lose_strategy(o) (o - 'A' - 1 < 0 ? 'Z' : o - 'A' - 1 + 'X')
#define draw_strategy(o) (o - 'A' + 'X')

int main() {
    char buf[BUFFER_SIZE], *p, c, opponent, result, me;
    memset(buf, 0, BUFFER_SIZE);
    p = buf;
    unsigned score = 0;

    while ((c = getchar()) != EOF) {
        *p++ = c;
        if (c == '\n') {
            sscanf(buf, "%c %c", &opponent, &result);
            me = result == 'X' ? lose_strategy(opponent) : (result == 'Y' ? draw_strategy(opponent) : win_strategy(opponent));
            score += score_game(opponent, me);

            memset(buf, 0, BUFFER_SIZE);
            p = buf;
        }
    }

    printf("%u\n", score);
}