#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < n; ++i)
typedef long long ll;
using namespace std;

int main() {
    int A, B, C;
    cin >> A >> B >> C;

    cout << (A + B == C ? "Correct" : "Incorrect") << endl;

    return 0;
}