#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int a;
  int b;
  
  // 変数aで入力を受け取る
  cin >> a;
  cin >> b;
 
  if((a*b)%2 == 0){
    cout << "Even" << endl;  
  }else{
  	cout << "Odd" << emdl;
  }
}