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

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