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

int main(void) {
  int a, b;
  cin >> a >> b;

  if(a*b%2 == 1) {
    cout << "Odd" << endl
  }
  else {
    cout << "Even" << endl;
  }
  return 0;
}