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

int main() {
  int a, b, c, d;
  cin >> a >> b;
  c = a % 2;
  d = b % 2;
  if(c==1&&d==1){
    cout << Odd << endl;
  }
  else{
    cout << Even << endl;
  }
}