#include <bits/stdc++.h>
using namespace std;

#define ALL(v) v.begin(), v.end()
#define V vector
#define P pair
using ll = long long;


int main() {
    int a, b, c; cin >> a >> b >> c;
    if(a + b == c) cout << "Correct" << endl;
    else cout << "Incorrect" << endl;

    return 0;
}