Find the count of even integers
if N - K - 1 >= 0 and K - 1 >= 0 : NEW_LINE INDENT num_even = math . factorial ( N - 2 ) / ( math . factorial ( K - 1 ) * math . factorial ( N - K - 1 ) ) NEW_LINE DEDENT else : NEW_LINE INDENT num_even = 0 NEW_LINE DEDENT