fn main() {
    let mut abc = String::new();
    std::io::stdin().read_line(&mut abc).ok();
    let abc: Vec<usize> = abc.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();

    if abc[0] + abc[1] == abc[2] {
        println!("Correct");
    } else {
        println!("Incorrect");
    }
}