#include <bits/stdc++.h>

using namespace std;
void fast_io() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
}

int main() {
    fast_io();
    int a, b, c;
    cin >> a >> b >> c;
    cout << (a + b == c ? "Correct" : "Incorrect") << endl;
}