#include<bits/stdc++.h>
using namespace std;
#define int long long
#define rep(i, n) for(int i = 0;i<(int)(n);i++)
#define all(v) (v).begin(),(v).end()
using ll = long long;
using P = pair<int,int>;

signed main() {
    int a,b,c;cin >> a >> b >> c;
    if(a+b!=c) printf("Incorrect\n");
    else printf("Correct\n");
    return 0;
}