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

int main() {
  int a,b;
  cin >> a >> b;
  
  if ((a * b)%2 == 0) {
    cout << "Even" << endl;
  }
  if ((a * b)%2 == 1) { 
    cout <, "Odd" << endl;
  }
}
