fn getline() -> String { let mut __ret = String::new(); std::io::stdin().read_line(&mut __ret).ok(); return __ret; } fn main() { let s1 = getline(); let e1: Vec<_> = s1.trim().split(' ').collect(); let a: u64 = e1[0].parse::().unwrap(); let b: u64 = e1[1].parse::().unwrap(); let walk = (b as f64 / a as f64).ceil(); println!("{}", walk) }