#include "bits/stdc++.h"
using namespace std;
#define int long long
using ll = long long;
using P = pair<ll, ll>;
const ll INF = (1LL << 61);
ll mod = 998244353;

signed main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	int A, B, C; cin >> A >> B >> C;
	if (A + B == C)cout << "Correct" << endl;
	else cout << "Incorrect" << endl;
	return 0;
}