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

int main() {
  int a, b;
  cin >> a >> b;

  if (a*b % 2 = 0) {
          cout << "Even" << endl;
    }
    
  else if ( a*b % 2 = 1) {
          cout << "Odd" << endl;
    }
 }
  
