In this task, you are given two strings A, B. Find the longest common substring in the strings A and B.

Input: Consider Input: oUEcuLINTDdvdOne, thzWccuLINTDQfNZwH

Output: cuLINTD


Input: Consider Input: osmJJcZlDAXBgJFsJKa, rzPNlDAXBgJYrgXlH

Output: lDAXBgJ


Input: Consider Input: VaUOFB, JIUOhn


Output: UO