it could be in JAVA/PYTHON/R

please write it in Python

Input Format For Custom Testing The first line contains a string, pool. Sample Case o Sample Input For Custom Testing STDIN Function 31434343535 pool = '31434343535 Sample Output Explanation No TIDs can be made from the pool because any TID must start with an '8. Sample Case 1 Sample Input For Custom Testing Function STDIN 888888555555555555555 pool = 888888555555555555555 Sample Output 1 Explanation Only 1 TID can be made from this pool at a given point of time because there are only 21 digits in the pool. Sample Case 2 Sample Case 2 Sample Input For Custom Testing STDIN Function 0011223344556677889988 pool = 0011223344556677889988 Sample Output 2 Explanation Given 22 digits, two TIDs can be formed simultaneously. 80011223344 85566778899