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

int main() {
  int a, b;
  cin >> a >> b;
  if ((a % 2) == 0 || (b % 2) == 0) {
    cout << "Even" << endl;
  } else {
    cont << "Odd" << endl;
  }
}
}/*積が奇数なら Odd と、 偶数なら Even と出力せよ。*/