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