AtCoDeer the deer found two positive integers, a and b. Determine whether the product of a and b is even or odd.

Constraints

* 1 ≤ a,b ≤ 10000
* a and b are integers.

Input

Input is given from Standard Input in the following format:


a b


Output

If the product is odd, print `Odd`; if it is even, print `Even`.

Examples

Input

3 4


Output

Even


Input

1 21


Output

Odd
#include<iostream>

using namespace std;

int main(void)
{
  int a,b;
  cin>>a>>b;
  
  (a*b)%2==0?puts("Even"):puts("Odd");
  
  return 0;
}
