use proconio::input;

fn main() {
    input! {
       a:i32,
       b:i32
    }

    let rem = b % a;

    if rem == 0 {
        // 割り切れた場合は最短
        let min_step = b / a;
        println!("{}", min_step);
    } else {
        let mut c = 1;
        loop {
            let aaa = a * c;
            let r = b % aaa;
            if r > 1 {
                println!("{}", c);
                break;
            }
            c += 1;
        }
    }
}