#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (ll i = 0; i < (ll)(n); i++)
typedef long long ll;
typedef pair<ll, ll> P;
const ll M=1000000007;
//------------------------------------------//

int main(){
    int A,B,C;cin>>A>>B>>C;
    if(A+B==C){
        cout<<"Correct"<<endl;
    }else{
        cout<<"Incorrect"<<endl;
    }
}