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, 4, ['2135', 'm', 'p', 'R', '2893', '707', '7569', 'y', '9921', 'G', 'K']

Ex Output:
mpR


Ex Input:
1, 2, ['8679', 'K', 'X', 'g', 'J', '9499', 'N', '3085', '7369', '1339', 'J']

Ex Output:
8679K


Ex Input:
2, 18, ['9999', '5437', '9821', 'o', '4457', '4227', 'v', '4715', '9195', 'I', 'J', 'o', '443', '8377', 'j', '1185', 'K', 'z', 'q', '8353']

Ex Output:

54379821o44574227v47159195IJo4438377j1185Kz