#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int a,b;
  cin >> a >> b;
  S.at(3) = '8';
  if(a & 2 == 1 && b % 2 == 1){
  	cout << "Odd" << endl;
  }else{
  	cout << "Even" << endl;
  }
}