// This file is a "Hello, world!" in C++ language by GCC for wandbox.
#include <iostream>
#include <cstdlib>
using namespace std;
int main(){
    int A,B,C;
    cin >> A >> B >> C;
    if((A+ B) == C){
        cout << "Correct" <<endl;
    }else{
        cout << "Incorrect" <<endl;
    }
}