#include <iostream>
#include <string>
#include <vector>
#include <cstdlib>
using namespace std;

int main(){
  int a;
  int b;
  int ab;
  cin >> a >> b;

  int ab = a* b;
  if (ab % 2 == 0){
    cout << "Even" << "\n";
  }
  else{
    cout << "Odd" << "\n";
  }
  return 0;
}