#include<bits/stdc++.h>
using namespace std;
int main(){
  int a,b;
  cin>>a>>b;
  if (a%2==0){
    if (b%2==0){
      cout<<"Even"<<endl;
    }
    else
      cour<<"Odd"<<endl;
  }
  else {
    if (b%2==0)
      cout<<"Even"<<endl;
    else
      cout<<"Odd"<<endl;
  }
}