#include <bits/stdc++.h>
using namespace std;
int pmd(int a, int b) {
  if (b == 0) return 1;
  if (b == 1) return a % 2;
  int val = pmd(a, b / 2);
  val = (val * val) % 2;
  if (b % 2 == 1) val *= a, val %= 2;
  return val % 2;
}
int main() {
  int a, b;
  cin >> a >> b;
  int ans = 0;
  for (int i = 0; i < b; i++) {
    int in;
    cin >> in;
    ans += (in * pmd(a, b - i - 1)) % 2;
    ans %= 2;
  }
  if (ans % 2 == 0) {
    cout << "even" << endl;
  } else {
    cout << "odd" << endl;
  }
  return 0;
}
