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

int main() {
  int a,b,x;
  cin >> a >> b;

  x = a * b;
  
  if(x % 2 = 0){
    cout << "Even" << endl;
  }else if(x % 2 = 1){
    cout << "Odd" << endl;
  }
}
