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