#include <bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < (n); ++i)
using namespace std;
typedef long long ll;

int main() {
  int a, b;
  cin >> a >> b;
  if ( a*b%==0) {
    cout << "Even" << endl;
  } else {
    cout << "Odd" << endl;
  }
  return 0;
}