Given a set of five words, generate the word from the set that does not belong (i.e. is the least relevant) with the other words. Words are separated by commas.

Input: Consider Input: even, size, fair, level, ok

Output: ok


Input: Consider Input: deal, 70, equitable, fair, raining

Output: equitable


Input: Consider Input: fine, money, alright, relaxed, calm


Output: money