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

int main(){
  int a, b;
  cin >> a >> b;
  if((a + 1) % 2 = 0 && (b + 1) % 2 = 0){
    cout << "Odd" <<endl;
  }
  else{
    cout << "Even" << endl;
  }
}
    

