#include <bits/stdc++.h>
#define fastIO (cin.tie(0), cout.tie(0), ios::sync_with_stdio(false))
#define precise(i) fixed << setprecision(i)
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
using namespace std;

int main() {
  fastIO;

  int a, b, c;
  cin >> a >> b >> c;
  if (a + b == c) {
    cout << "Correct" << '\n';
  } else {
    cout << "Incorrect" << '\n';
  }
  return 0;
}