#include<iostream>
#include<algorithm>
#include<cmath>
#include<string>
#include<array>
#include<vector>
#include<functional>
#include<unordered_map>
#include<map>
#include<numeric>
#include<limits>
#include<utility>
#include<queue>
#include<random>
 
int main(){
int a,b;
  cin>>a>>b;
  
  if((a+b)%2 == 0){
  cout<<"Even"<<endl;
  }else{
  cout<<"Odd"<<endl;}
 return 0;
}