macro_rules! read_to_tuple {
    ( $( $t:ty ),* ) => {{
        let mut input = String::new();
        std::io::stdin().read_line(&mut input).unwrap();
        let mut iter = input.split_whitespace();
        ( $( iter.next().unwrap().parse::<$t>().unwrap() ),* )
    }};
}

fn main() {
    let (a, b, c) = read_to_tuple!(i32, i32, i32);
    println!("{}", if a + b == c { "Correct" } else { "Incorrect" });
}