/**
 *   @FileName	a.cpp
 *   @Author	kanpurin
 *   @Created	2020.10.09 21:20:46
**/

#include "bits/stdc++.h" 
using namespace std; 
typedef long long ll;

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