#include <iostream>
#include <vector>
#include <algorithm>
#define pb push_back
using namespace std;

int main(){
   int a,b,c;
   cin >> a >> b;
   c = a * b;
   if(c%2 == 0) cout << "Odd" << endl;
   if(!(c%2 == 0)) cout << "Even" << endl;