#include <stdio.h>
#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf 2000000001


int main(){	

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

    return 0;
}