In this task, you are given inputs i,j, and A, where i and j are integers and A is a list. You need to concatenate all elements of A from the ith element to the jth element, and print the resultant string. i and j will be non-negative, and will always have a value less than the length of A. i will always be less than j.

Ex Input:
2, 3, ['l', 'c', '4671']

Ex Output:
c4671


Ex Input:
7, 9, ['e', 'g', 'I', '8547', '1857', '2769', 'K', 'h', '8863', 'm', 'q']

Ex Output:
Kh8863


Ex Input:
3, 3, ['P', '5573', '2703', '363']

Ex Output:

2703