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