#include <bits/stdc++.h>
using namespace std;
long long int n, k;
long long int a[1000007];
long long int power(long long int a, long long int k) {
  long long int r = 1;
  long long int m = 10;
  for (a %= m; k > 0; k /= 2) {
    if (k & 1) {
      r = r * a % m;
    }
    a = a * a % m;
  }
  return r;
}
int main() {
  cin >> n >> k;
  {
    for (long long int $i = 0; $i <= k - 1; $i++) cin >> a[$i];
  };
  long long int s = 0;
  long long int j = k - 1;
  for (long long int i = 0; i <= k - 1; i++) {
    s += a[i] * ceil(power(n, j));
    j--;
    s %= 10;
  }
  if (s & 1) {
    cout << "odd"
         << "\n";
  } else {
    cout << "even"
         << "\n";
  }
  return 0;
}
