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


int main()
{
    char *buffer;
    size_t bufsize;
    size_t characters;
    int score = 0;

    while ((characters = getline(&buffer, &bufsize, stdin)) != -1) {
        --characters;

        buffer[characters] = 0;

        switch (buffer[0]) {
            case 'A':
                switch (buffer[2]) {
                    case 'X':
                        score += 3 + 1;
                        break;
                    case 'Y':
                        score += 6 + 2;
                        break;
                    case 'Z':
                        score += 0 + 3;
                        break;
                }
                break;
            case 'B':
                switch (buffer[2]) {
                    case 'X':
                        score += 0 + 1;
                        break;
                    case 'Y':
                        score += 3 + 2;
                        break;
                    case 'Z':
                        score += 6 + 3;
                        break;
                }
                break;
            case 'C':
                switch (buffer[2]) {
                    case 'X':
                        score += 6 + 1;
                        break;
                    case 'Y':
                        score += 0 + 2;
                        break;
                    case 'Z':
                        score += 3 + 3;
                        break;
                }
                break;
        }

    }
    printf("%d", score);
}