#include <bits/stdc++.h> 
using namespace std;
#include <ios>
#include <iomanip>
#include <iostream>
#include <string>
#include <algorithm>


int main(){
  int a, b, c;
  cin >> a >> b>>c;
  if((a+b)==c){
    cout <<"Correct";
  }
  else cout <<"Incorrect";
}