use std::io; fn main() { let (a, b) = { let i = read::(); (i[0], i[1]) }; println!("{}", (b / a).ceil()); } #[allow(dead_code)] fn read() -> Vec where T: std::str::FromStr, T::Err: std::fmt::Debug { let mut buf = String::new(); io::stdin().read_line(&mut buf).unwrap(); buf.split_whitespace() .map(|s| s.trim().parse().unwrap()) .collect() } #[allow(dead_code)] fn read_one() -> T where T: std::str::FromStr, T::Err: std::fmt::Debug { let mut buf = String::new(); io::stdin().read_line(&mut buf).unwrap(); buf.trim().parse().unwrap() }