    #include <bits/stdc++.h>
    using namespace std;
     
    int main() {
      int a, b;
      cin >> a >> b ;
      
      if((a*b) % 2 == 0){
        cout << "Even" << endl;
      }
      id((a*b) % 2 ==1){
        cout << "Odd" << endl;
      }
    }
        