#include<iostream>
#include<stdio.h>
#include<stdlib.h>
#include<algorithm>
#include<vector>
#include<string.h>
#include<math.h>
#include<map>
#include<iomanip>
#include<queue>

using namespace std;
using ll = long long;
using ull = unsigned long long;

ll mod = 1e9 + 7;

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