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:
1, 1, ['I', '125']

Ex Output:
I


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

Ex Output:
k2095bA


Ex Input:
1, 6, ['6891', 'K', 'b', 'c', 'o', '3469', '9395', 'Q', 'i', 'L']

Ex Output:

6891Kbco3469