In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.

Ex Input:
 Free protein S deficiency in acute ischemic stroke .

Ex Output:
protein S


Ex Input:
 It is pathogenetically proved to use antithrombin III concentrate preparations with anti - and dysaggregatory properties , fibronectin preparations , trasylol or its analogs during complex preoperative preparation of patients .

Ex Output:
antithrombin III


Ex Input:
 The model of the complex provides a rationale for conserved ITAM residues , substrate specificity , and suggests that substrate binds only the active conformation of the Src family tyrosine kinase , unlike the ATP cofactor , which can bind the inactive form .

Ex Output:

tyrosine kinase