#include <bits/stdc++.h>
#include <algorithm>
// #include <atcoder/all>
#include <functional>
#include <map>
#include <queue>
#include <set>
#include <stack>
using namespace std;
// using namespace atcoder;
using ll = long long;
using ull = unsigned long long;
#define REP(i, m, n) for (ll(i) = (ll)(m); i < (ll)(n); ++i)
#define REP2(i, m, n) for (ll(i) = (ll)(n)-1; i >= (ll)(m); --i)
#define rep(i, n) REP(i, 0, n)
#define rep2(i, n) REP2(i, 0, n)
#define drep(i, n) for (ll(i) = (ll)(n); i >= 0; i--)
#define all(hoge) (hoge).begin(), (hoge).end()
#define rall(hoge) (hoge).rbegin(), (hoge).rend()
#define en '\n'
// using Edge = pair<ll, ll>;
// using Graph = vector<vector<Edge>>;
typedef vector<ll> vl;
typedef vector<vector<ll>> vvl;
typedef vector<vector<vector<ll>>> vvvl;
typedef vector<string> vs;
typedef vector<vector<string>> vvs;
typedef pair<ll, ll> P;
constexpr long long INF = 1LL << 30;
constexpr int INF_INT = 1 << 25;
constexpr long long MOD = (ll)1e9 + 7;
// constexpr long long MOD = 998244353LL;
using ld = long double;
static const ld pi = 3.141592653589793L;
template <class T> inline void print(T x) { cout << x << '\n'; }
template <class T> bool chmax(T& a, const T& b) {
    if (a < b) {
        a = b;
        return 1;
    }
    return 0;
}
template <class T> bool chmin(T& a, const T& b) {
    if (b < a) {
        a = b;
        return 1;
    }
    return 0;
}
long long gcd(long long x, long long y) { return y ? gcd(y, x % y) : x; }
long long lcm(long long x, long long y) { return x / gcd(x, y) * y; }



int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    int a, b, c;
    cin >> a >> b >> c;
    if (a + b == c) {
        print("Correct");
    } else {
        print("Incorrect");
    }
    return 0;
}