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