use std::io::{self, BufRead, BufReader, BufWriter, Write}; fn main() { let stdin = io::stdin(); let mut stdin = BufReader::new(stdin.lock()); let stdout = io::stdout(); let mut stdout = BufWriter::new(stdout.lock()); let x: Vec = read_line(&mut stdin) .split_whitespace() .take(2) .filter_map(|s| s.parse().ok()) .collect(); let result = (x[1] - 1) / x[0] + 1; writeln!(&mut stdout, "{}", result).unwrap(); } fn read_line(reader: &mut R) -> String { let mut buf = String::new(); reader.read_line(&mut buf).unwrap(); buf }