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:
5, 6, ['5153', 'B', '2761', 'f', 'h', 'x', 'L', '383', 'H', '8921', '6251']

Ex Output:
hx


Ex Input:
5, 22, ['9761', 'b', 'R', '2363', 'W', '5059', 'U', 'm', '8877', 'W', 'w', 'G', '6255', '1359', 'f', 'c', '3225', 'm', 'v', 'o', 'P', 'p', 'M']

Ex Output:
W5059Um8877WwG62551359fc3225mvoPp


Ex Input:
5, 14, ['s', '6847', 'a', '7775', '8697', 'F', 'V', 'g', 'D', 'i', 'k', 'R', 'L', 'M', '6331', 'a', 'y', '5773']

Ex Output:

8697FVgDikRLM