use std::io::*; use std::str::FromStr; #[allow(dead_code)] fn get_line() -> String { let stdin = stdin(); let mut line = String::new(); stdin.lock().read_line(&mut line).expect("io error."); line.trim().to_string() } #[allow(dead_code)] fn get_word() -> T { (&get_line()).parse().ok().expect("parse error.") } #[allow(dead_code)] fn get_vec() -> Vec { (&get_line()).split(' ').map(|x| x.parse().ok().expect("parse error.")).collect() } fn main() { let v = get_vec::(); println!("{}", (v[0] * (1. + v[1] / 100.) + 1e-9) as i64); }