#include<bits/stdc++.h>
using namespace std;
typedef long long int lli;
int main()
{
    int a,b,c;
    cin >> a >> b >> c;
    if(a + b == c)
    {
        cout << "Correct";
    }
    else
    {
        cout << "InCorrect";
    }
    
    
    return 0;
}