#include <bits/stdc++.h>
#define int long long
#define double long double
using namespace std;
const int MOD =  1000000007;
const int INF = 1e11;
using Graph = vector<vector<int>>;

signed main(){
  int A, B, C;
  cin >> A >> B >> C;
  if( A+B == C ) cout << "Correct" << endl;
  else cout << "Incorrect" << endl;
}