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:
4, 5, ['W', '9985', 'T', 'I', 'c']

Ex Output:
Ic


Ex Input:
10, 11, ['g', 'H', 'O', 'y', 'd', 'U', 'K', 'I', '2231', '6271', 'U']

Ex Output:
6271U


Ex Input:
5, 5, ['m', 'm', '8163', '8613', '183', 'o', 'N', 's', '9159']

Ex Output:

183