#include <bits/stdc++.h>
using namespace std;
void read(vector<long long>& a) {
  for (int i = 0; i < a.size(); i++) cin >> a[i];
}
long long po(long long a, long long b, long long c) {
  long long ans = 1;
  while (b > 0) {
    if (b & 1) {
      ans *= a;
      ans %= c;
    }
    a = a * a;
    a %= c;
    b = b >> 1;
  }
  return ans;
}
int main() {
  long long base, k;
  cin >> base >> k;
  vector<long long> a(k);
  read(a);
  reverse((a).begin(), (a).end());
  int ans = 0;
  for (int i = 0; i < a.size(); i++) {
    long long cur = po(base, i, 2);
    cur *= a[i];
    cur %= 2;
    ans += cur;
    ans %= 2;
  }
  if (ans == 0)
    cout << "even";
  else
    cout << "odd";
}
