#include <bits/stdc++.h>
using namespace std;
void pln() {
  cout << endl;
  return;
}
void print(int x) {
  cout << x << endl;
  return;
}
void print(string str) {
  cout << str << endl;
  return;
}
int ri() {
  int x;
  cin >> x;
  return x;
}
string rs() {
  string str;
  cin >> str;
  return str;
}
int main(void) {
  int a = ri();
  int b = ri();
  int sum = a * b;
  if (sum % 2 == 0) {
    print("Odd");
  } else {
    print("Even");
  }
}
