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

int main() {
  int a,b;
  cin >> a>>b;
  int >> a * b ==c; //cという文字を導入
  if (c % 2 == 0) {
    cout << "Even" << endl;
  }
  else {
    cout << "Odd" << endl;
  }
}
