use std::io::stdin; fn main() { let mut s = String::new(); stdin().read_line(&mut s).ok(); let n: usize = s.trim().parse().unwrap(); stdin().read_line(&mut s).ok(); let m: usize = s .split_whitespace() .collect::>() .iter() .map(|a| a.parse::().unwrap()) .sum(); println!("{}", 100 / n + (m % n + 100 % n > n) as usize); }