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:
14, 15, ['8927', 'K', 'O', 'l', 'p', 'L', '8163', 'Q', '4683', '7603', 'M', 'T', '1239', '5867', 'L', '8265', 'F', '6653', 'I', 'S']

Ex Output:
5867L


Ex Input:
7, 10, ['6843', 'X', 's', 'y', 'k', 'o', 'k', '2095', 'b', 'A']

Ex Output:
k2095bA


Ex Input:
2, 4, ['g', '3403', '2079', 'z', 'r', 'U', 'T']

Ex Output:

34032079z