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

int main() {
  int a,b;
  cin >> a >> b;
    
    if ( a/2 =(a-1)/2 && b/2 = (b-1)/2 ) {
      cout << "Odd" << endl;
    }
  even if (  a/2 =(a-1)/2 && b/2 = (b-1)/2 ) {
    cout << "Even" << endl;
  }
}
