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:
6, 10, ['2437', 'n', '5307', '3503', 'l', 'e', '3037', '4389', '5773', 'd', 'a', 'V', 'U']

Ex Output:
e303743895773d


Ex Input:
17, 19, ['6519', '9015', 'i', '3363', '8547', 'x', 'f', 'H', '5557', '2135', '1559', 'S', 'b', '4833', '7801', '7375', '3729', 'y', '8667', 'G', '7723', '4571', 'J', '1997', '8663', 'l', 'b', 'T']

Ex Output:
3729y8667


Ex Input:
2, 2, ['8093', 'P', '701', '665', '6305', '2745', '3523']

Ex Output:

P


