#include <iostream>

using namespace std;

int main(void) {
 int a = 0; b = 0;
  
  cin >> a >> b;
  
  int c = (a * b) % 2;
  
  if (!c) {
    cout << "Even" << endl; 
  }
  else {
  	cout << "Odd" << endl;
  }
  
  return 0;
}