B. Fedya and Mathstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputFedya studies in a gymnasium. Fedya's maths hometask is to calculate the following expression:(1n + 2n + 3n + 4n) mod 5for given value of n. Fedya managed to complete the task. Can you? Note that given number n can be extremely large (e.g. it can exceed any integer type of your programming language).InputThe single line contains a single integer n (0 ≤ n ≤ 10105). The number doesn't contain any leading zeroes.OutputPrint the value of the expression without leading zeros.ExamplesInput4Output4Input124356983594583453458888889Output0NoteOperation x mod y means taking remainder after division x by y.Note to the first sample:
Input4
Output4
['math', 'number theory', '*1200']