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