use std::io;

fn main() {
    let v: Vec<i64> = {
        let mut s = String::new();
        io::stdin().read_line(&mut s).unwrap();
        s.split_whitespace().map(|x| x.parse().unwrap()).collect()
    };

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