//GIVE ME AC!!!!!!!!!!!!!!!!!
#include<bits/stdc++.h>
#define ll long long
#define MOD 1000000007
#define rep(i,n) for(int i=0;i<n;i++)
using namespace std;
int main(){
   int a,b,c;
   cin>>a>>b>>c;
   if(a+b==c){
       cout<<"Correct"<<endl;
   }
   else{
       cout<<"Incorrect"<<endl;
   }
}