Given an integer ~N~ ranging from ~1~ to ~300~, this integer represents your credit score.

If your credit score is between ~1~ and ~100~, you should output bad.

If your credit score is between ~101~ to ~200~, then output ok.

Otherwise, if your credit score is between ~201~ to ~300~, output good.

Input Specifications

~1 \le N \le 300~

Output Specification

The output will be bad, ok, or good, depending on the expected output given the credit score.

Sample Input 1

100

Sample Output 1

bad

Sample Input 2

220

Sample Output 2

good