fn main() {
    let n: Vec<u64> = input_line();
    let a = n[0];
    let b = n[1];

    if b % a == 0 {
        println!("{}", b / a);
    } else {
        println!("{}", b / a + 1);
    }
}

#[allow(unused)]
fn input_line<T: std::str::FromStr>() -> Vec<T> {
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).ok();
    s.trim()
        .split_whitespace()
        .map(|e| e.parse().ok().unwrap())
        .collect()
}