#include<bits/stdc++.h>
using namespace std;
using LL = long long;
using ULL = unsigned long long;
#define rep(i,n) for(int i=0; i<(n); i++)

int main() {
	int a, b, c; cin >> a >> b >> c;
	if (a + b == c) cout << "Correct" << endl;
	else cout << "Incorrect" << endl;
	return 0;
}