Mr. Smith is the manager of Alice. Mr. Smith loves numbers and codes. He gives Alice a list of N non-negative numbers and asks him to arrange them such that they form largest possible number. To impress Smith and get promotion, he needs to write the code. Can you help Alice in getting promotion? The result is going to be very large, hence return the result in the form of a string.

The problem is to arrange the given array of numbers so that it yields the largest value.