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:
3, 10, ['3711', 'B', 'i', 'R', '7017', '147', '883', 'O', '8643', '5263', '5225', '2811', 'B', 'M', 'Q', 'W', 'F', 'i', 'L', 'l', '9401', '6669', 'u', 'A']

Ex Output:
iR7017147883O86435263


Ex Input:
4, 8, ['I', '5999', 'n', 'F', 'r', '179', '8477', 'U', '7461', 'N', '1319', 'N', 'a', 'i', '1141', '1903', 's', 'n', 'L', 'v', 'J', '7245', '627', 'p']

Ex Output:
Fr1798477U


Ex Input:
7, 13, ['i', 'W', '277', 'w', 'c', '5595', '8765', 'K', 'U', 't', 'h', '3931', 'R', 'D']

Ex Output:

8765KUth3931R