#include <bits/stdc++.h>
using namespace std;

int main() {
  int a, b;
  cin >> a >> b;
  
  int c = ( a * b ) % 2 
  
  if ( c % 2 == 0 ) {
    cout << "even" << endl;
  } else {
    cout << "odd" << endl;
  }
}
