#include <bits/stdc++.h>
using namespace std;
 
int main()
{
  int a, b;
  cin >> a >> b;

  int sum = a * b; 

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