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

int main() {
  int64_t  a, b;
  
  cin >> a >> b;
  
  int64_t sub=a*b/2;
  
  int count;
  
  count=a*b-sub*2;
  
  if(count==0){
   cout << "Even" << endl;
  } other {
   cout << "Odd" << endl; 
  }
  
  return 0;
}
