mod common;
use common::*;
pub fn main() {
let play_score = |s: &[u8]| (s[2] as i64) - ('X' as i64) + 1;
let win_score = |s: &[u8]| {
let other = s[0] as i64 - ('A' as i64);
let me = s[2] as i64 - ('X' as i64);
3 * ((me - other + 4) % 3)
};
let score = get_score(play_score, win_score);
println!("{score}");
}