#include <iostream>
#include <array>
#include <map>
#include <algorithm>
#include <cmath>
#include <vector>
#include <fstream>
#include <string>
#include <random>
#include <queue>
#include <iomanip>
#include <functional>
#include <climits>
#include <tuple>
#include <unordered_map>
#include <limits>
#include <functional>
#include <cassert>

#define FOR(x,n) for(int x = 0; x < n; x++)
#define PUT(x) cout << x << endl
#define DPUT(x) printf("%.15lf\n",x)
#define GET(x,y) std::get<x>(y)
#define CHMAX(x,y) x = std::max(x,y)
#define CHMIN(x,y) x = std::min(x,y)

using namespace std;

using ll = long long int;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using vll = std::vector<ll>;
using vpll = std::vector<pll>;
using vpii = std::vector<pii>;
using vi = std::vector<int>;
using vvi = std::vector<vi>;
using vvpii = std::vector<vpii>;
using vch = std::vector<char>;
using vvch = std::vector<vch>;
using tiii = std::tuple<int, int, int>;

const ll mod197 = 1000000007LL;
const ll INF = 10000000000LL;

const double PI11 = 3.14159265359;

const int dis[5] = { 0,1,0,-1,0 };

const int disD[4] = { 0,1,1,0 };

int main(void)
{
	ll a, b;
	cin >> a >> b;

	if (a*b % 2 == 0) {
		cout << "Even" << endl
	}
	else {
		cout << "Odd" << endl;
	}

	return 0;
}