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

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