use std::io; fn main() { let mut input = String::new(); io::stdin() .read_line(&mut input) .expect("Failed to read line."); let iv: Vec<&str> = input.split_whitespace().collect(); let a: f64 = iv[0].parse().unwrap(); let b: f64 = iv[1].parse().unwrap(); println!("{}", (b / a).ceil()); }