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:
7, 8, ['9045', 'C', 'V', 'G', 'Q', 'I', '9821', 'D']

Ex Output:
9821D


Ex Input:
4, 20, ['1033', '6489', '3569', 'f', '4483', 'm', '8817', '6619', '2881', 'K', '227', '2479', '6185', 'C', '1351', 'D', 'L', '5997', '6921', '7909']

Ex Output:
f4483m881766192881K22724796185C1351DL599769217909


Ex Input:
19, 22, ['4513', '149', 'j', '8861', 'y', 'v', 'O', 't', 'Z', 'v', 'J', '4059', '851', '6173', 'G', 'h', 'F', 'g', '4269', 'i', 'x', '3441', '8255', 't', '6041']

Ex Output:

4269ix3441