/*******************************
* BASMILLAHHIR RAHMANNIR RAHIM *
* MD SHAHINUR RAHMAN           *
* DATE: 05/oct/2020            *
* DEPT. OF CSE                 *
* LEADING UNIVERSITY, SYLHET   *
*******************************/
#include<bits/stdc++.h>
#include<vector>
#include<algorithm>
#include<string>
#include<stdlib.h>
#include<math.h>
#define shahin std::ios_base::sync_with_stdio(false); std::cin.tie(NULL);
#define ll long long
#define pb push_back
#define sz(x) (int)(x).size()
const int nax=1000*1007;
const int mod = 1e9 + 7;
int ar[120][120];
using namespace std;
char wcz[nax];

bool fu(int a, int b){
    return (a>b);
}
int gcd(int x,int y){
    return x?gcd(y%x, x):y;
}


void fun(){
                ll a,b,c;
                cin>> a >> b >> c;
                if(a+b==c)cout << "Correct";
                else cout << "Incorrect";
}


int main()
{
    shahin
   /* ll tc,i=1,sum=0,A=0,B=0;
    cin >> tc;
    while(tc--)
    {
    //cout << "Case " << i << ": ";
        fun();
    //i++;
    }*/ 
   fun();

}