#include <bits/stdc++.h>
using namespace std;
bool judge(int a, int b) {
  if (a * b % 2 == 0)
    return 1;
  else
    return 0;
}
int main() {
  int a, b;
  cin >> a >> b;
  if (judge(a, b))
    cout << "Even";
  else
    cout << "Odd";
  return 0;
}
