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