#include <bits/stdc++.h>

using namespace std;

using ll = long long;
using ul = unsigned long;
using ull = unsigned long long;

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

	int a, b, c;
	cin >> a >> b >> c;

	cout << (a + b == c ? "Correct" : "Incorrect") << "\n";

	return 0;
}