#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define rep(i, n) for (int i = 0; i < (n); i++)
#define P pair<int, int>

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


}