#include <bits/stdc++.h>
//#include <atcoder/dsu>
using namespace std;
//using namespace atcoder;
using ll = long long;
using P = pair<ll,ll>;
#define rep(i,a,b) for(ll i=a;i<b;i++)
#define rrep(i,a,b) for(ll i=a;i>=b;i--)
const ll inf=1e18;
int main(void){
    cin.tie(0);
    ios::sync_with_stdio(0);
    int a,b,c;
    cin>>a>>b>>c;
    if(a+b==c){
        cout<<"Correct"<<'\n';
    }else{
        cout<<"Incorrect"<<'\n';
    }
}