#include <bits/stdc++.h>
#define debug(x) cout << #x << ": " << (x) << endl
using namespace std;

using ull = unsigned long long;
using ll = long long;

using Int = int;
using Double = double;

using P = pair<Int, Int>;
using V = vector<Int>;
using M = vector<V>;

const double PI  = 3.141592653589793238463;
const int MOD = 1000000007;
const Int INF = numeric_limits<Int>::max() / 3;

int main(int argc, char* argv[]){
    cin.tie(0);
    ios::sync_with_stdio(false);

    int a, b;
    cin >> a >> b;

    cout << (a * b % 2 == 0) : "Even" ? "Odd" << endl;

    return 0;
}
