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