#include <iostream>

void solve() {
    int a, b, c;
    std::cin >> a >> b >> c;
    std::cout << (a + b == c ? "Correct" : "Incorrect") << "\n";
}

int main() {
    std::cin.tie(nullptr);
    std::ios::sync_with_stdio(false);

    solve();

    return 0;
}