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, 7, ['T', 'L', 'F', 'W', '9781', 'Y', '4499']

Ex Output:
LFW9781Y4499


Ex Input:
11, 14, ['o', 'C', '4453', '2389', '9139', 'q', 'x', 'e', 'E', '6401', '6583', 'U', '9263', 'X', 'B', '6715', 'e', '4007', '9979', '1491', 'z', '5003', 'q', '6053', '8863', 'S', 'l', 'Y', 'C', 'K']

Ex Output:
6583U9263X


Ex Input:
9, 9, ['3165', '9187', '4649', 'I', '7055', '9439', '3795', 'Y', '6331']

Ex Output:

6331