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

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