/**
 * Microsoft Visual C++
 **/
#include "bits/stdc++.h"
 // #include<boost/multi_array.hpp>
 // #include<boost/optional.hpp>
 // #include<boost/range/irange.hpp>
 // #include<boost/range/algorithm.hpp>
 // #include<boost/range/adaptors.hpp>
 // #include <atcoder/all>
using namespace std;
using ll = long long;
using ld = long double;
using P = pair<int, int>;
using vi = vector<int>;
using vvi = vector<vi>;
// using namespace atcoder;
#define rep(i, n) for(int i = 0; i < (n); i++)
#define rep2(i, x, n) for(int i = x; i < (n); i++)
#define all(n) begin(n), end(n)
// struct cww{cww(){ios::sync_with_stdio(false);cin.tie(0);}}star;
// const long long INF = numeric_limits<long long>::max();
#define debug(var)                                                             \
   do {                                                                        \
      std::cout << #var << " : ";                                              \
      view(var);                                                               \
   } while(0)
template <typename T> void view(T e) { std::cout << e << std::endl; }
template <typename T> void view(const std::vector<T>& v) {
	for (const auto& e : v) {
		std::cout << e << " ";
	}
	std::cout << std::endl;
}
template <typename T> void view(const std::vector<std::vector<T>>& vv) {
	for (const auto& v : vv) {
		view(v);
	}
}

template <std::uint_fast64_t Modulus> class modint {
	using u64 = std::uint_fast64_t;

public:
	u64 a;

	constexpr modint(const u64 x = 0) noexcept : a(x% Modulus) {}
	constexpr u64& value() noexcept { return a; }
	constexpr const u64& value() const noexcept { return a; }
	constexpr modint operator+(const modint rhs) const noexcept {
		return modint(*this) += rhs;
	}
	constexpr modint operator-(const modint rhs) const noexcept {
		return modint(*this) -= rhs;
	}
	constexpr modint operator*(const modint rhs) const noexcept {
		return modint(*this) *= rhs;
	}
	constexpr modint operator/(const modint rhs) const noexcept {
		return modint(*this) /= rhs;
	}
	constexpr modint& operator+=(const modint rhs) noexcept {
		a += rhs.a;
		if (a >= Modulus) {
			a -= Modulus;
		}
		return *this;
	}
	constexpr modint& operator-=(const modint rhs) noexcept {
		if (a < rhs.a) {
			a += Modulus;
		}
		a -= rhs.a;
		return *this;
	}
	constexpr modint& operator*=(const modint rhs) noexcept {
		a = a * rhs.a % Modulus;
		return *this;
	}
	constexpr modint& operator/=(modint rhs) noexcept {
		u64 exp = Modulus - 2;
		while (exp) {
			if (exp % 2) {
				*this *= rhs;
			}
			rhs *= rhs;
			exp /= 2;
		}
		return *this;
	}
};

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

int main() {
	std::cin.tie(nullptr);
	std::ios_base::sync_with_stdio(false);
	std::cout << std::fixed << std::setprecision(15);
	Main();
	return 0;
}