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

