#include <bits/stdc++.h>

using namespace std;
using ll = long long;

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

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

    return 0;
}