#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <set>
#include <map>
int main(void){
  int a, b;
  cin >> a >> b;
  if(a%2==0 || b%2==0){cout << "Even"  << endl;}
  else cout << "Odd" << endl;
  return 0;
}
