use std::io::*;
pub fn main() {
    let mut buf = String::new();
    let _ = stdin().read_line(&mut buf);
    let mut inputs = buf.split_whitespace().flat_map(|x| x.parse::<u64>());
    let (a, b) = (inputs.next().unwrap(), inputs.next().unwrap());
    println!(
        "{}",
        match b % a {
            x if x == 0 => b / a,
            _ => (b / a) + 1,
        }
    );
}