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

int main() {
  int a, b, x;
  
  cin >> a >> b;
  int x = a * b % 2;
  
  if (x != 1) {
    cout << "Even" << endl;
  }
  else {
    cout << "Odd" << endl;
  }
  
}