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);
}