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

int main() {
  int a, b, c, d;
  cin >> a >> b;
  c = a / 2 + b / 2;
  d = (a + b) / 2;
  if (a == b) {
    cout << Even << endl;
  }
  else {
    cout << Odd << endl;
  }
}
