use std::io::*;
use std::str::FromStr;

fn main() {
    let a = (0..3).map(|_| read()).collect::<Vec<i64>>();
    println!(
        "{}",
        match a[0] + a[1] == a[2] {
            true => "Correct",
            false => "Incorrect",
        }
    )
}

fn read<T: FromStr>() -> T {
    let stdin = stdin();
    let stdin = stdin.lock();
    let token: String = stdin
        .bytes()
        .map(|c| c.expect("failed to read char") as char)
        .skip_while(|c| c.is_whitespace())
        .take_while(|c| !c.is_whitespace())
        .collect();
    token.parse().ok().expect("failed to parse token")
}