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:
9, 9, ['L', '2577', '9297', '6649', 'g', '2743', '2743', 'M', 'C', 'O', '3851', 'u', '9853', '1977', 'q', '3673', '7721']

Ex Output:
C


Ex Input:
14, 25, ['6133', 'K', 'D', 'E', 'M', '5757', 'r', '73', 'k', 'f', 'O', '311', 'C', 'A', '9263', 'B', '9377', 'X', '4671', 'l', 'q', 'm', 'o', '6247', 'M', '3305', '8167', '7389', 'H', '1403']

Ex Output:
A9263B9377X4671lqmo6247M


Ex Input:
2, 4, ['2133', '7673', 'r', '6647', '899']

Ex Output:

7673r6647