#include <bits/stdc++.h>
using namespace std;

int main() {
  int a;
  int b;

  cin >> a;
  cin >> b;

 int ans;
  ans = a * b;

  if (ans % 2 == 0 ) {
    std::cout << "Even" << '\n';
  } else {
    std::cout << "Odd" << '\n';
  }