#include <bits/stdc++.h>
using namespace  std;
 int main(){
   vector<int> A(3);
    cin >>  A[0] >> A[1] >> A[2];
     if(A[0]+A[1] == A[2]) {
         cout << " Correct" << endl;
     }else {
         cout << "Incorrect" << endl;
     }
 }