fn main() { let mut s = String::new(); std::io::stdin().read_line(&mut s).ok(); let s = s .split_whitespace() .map(|x| x.parse::<u16>().unwrap()) .collect::<Vec<_>>(); let ans = if s[0] + s[1] == s[2] { "Correct" } else { "Incorrect" }; print!("{}", ans); }