The Hurdle Race : Algorithms - Implementation

#The solution in Python3 is as follows:

n,k=map(int,input().split())
a=list(map(int,input().split()))
b=max(a)
if k>b:
    print(0)
else:
    print(b-k)

#Keep visiting for more solutions of HackerRank problems in Python 3.Thank you!!!