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


}  
