#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int a,b;
  cin >> a >> b;
  if (a%2==0 || b%2==0) {
 	 cout << "Even"  << endl;
  }
  if(a%2==1 && b%2==1){
    cout << "odd"  << endl;
  }