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