#include <bits/stdc++.h>

// product.cpp
// author: Seong Yong-ju ( @sei40kr )
// Copyright (c) 2018 Seong Yong-ju

#define DEBUG(x) cout << #x << ": " << x << endl

#define MIN(a, b) (a > b ? b : a)
#define MAX(a, b) (a > b ? a : b)

#define FOR(i, a, b) for (int i = (a); i < (b); ++i)
#define RFOR(i, a, b) for (int i = (b)-1; i >= (a); --i)

#define REP(i, n) for (int i = 0; i < (n); ++i)
#define RREP(i, n) for (int i = (n)-1; i >= 0; --i)

#define ALL(a) (a).begin(), (a).end()

using namespace std;

int main() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);

    int a, b;
    cout << a % 2 == 1 && b % 2 == 1 ? "Odd" : "Even" << endl;
}
