#include <bits/stdc++.h>
using namespace std;
bool even(int n) { return (n % 2 == 0); }
int main() {
  int a, b;
  cin >> a >> b;
  if (even(a) && even(b)) {
    cout << 'Even' << endl;
  } else {
    cout << 'Odd' << endl;
  }
}
