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

int main(){

  int a, b，c, d;
  cin >> a >> b;
  c = a % 2;
  d = b % 2;
  
  if (c==0 || d==0){
    cout << "Even" << endl;
  } else {
    cout << "Odd" << endl;
  }
}
