# Input()

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#
#   This challenge is only forPython 2.
#
#   input()
#   In Python 2, the expression input() is equivalent to eval(raw _input(prompt)).
#
#   Code
#   >>> input()
#   1+2
#   3
#   >>> company = 'HackerRank'
#   >>> website = 'www.hackerrank.com'
#   >>> input()
#   'The company name: '+company+' and website: '+website
#   'The company name: HackerRank and website: www.hackerrank.com'
#
#   Task
#   You are given a polynomial P of a single indeterminate (or variable) x.
#   You are also given the values of x and k. Your task is to verify if P(x) = k.
#
#   Constraints
#   All coefficients of polynomial P are integers.
#   x and y are also integers.
#
#   Input Format
#   The first line contains the space separated values of x and k.
#   The second line contains the polynomial P.
#
#   Output Format
#   Print True if P(x) = k. Otherwise, print False.
#
#   Sample Input
#   1 4
#   x**3 + x**2 + x + 1
#
#   Sample Output
#   True
#
#   Explanation
#   P(1) = 1^3 + 1^2 + 1 + 1 = 4 = k
#   Hence, the output is True.
#
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