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