#include <bits/stdc++.h>
using namespace std;
int main() {
  int input_1, input_2;
  cout << "please number :";
  cin >> input_1 >> input_2;
  int x;
  x = input_1 * input_2;
  int result = x % 2;
  if (result)
    cout << "Odd";
  else
    cout << "Even";
  return 0;
}
