fn main() {
    let mut xy = String::new();
    std::io::stdin().read_line(&mut xy).ok();
    let xy: Vec<usize> = xy.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();
    let x = xy[0];
    let y = xy[1];

    let cands = vec![(x+4)%12, (x+8)%12];
    println!("{}", cands.iter().filter(|&&v| v != y).nth(0).unwrap());
}