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, ['e', '7739', '8007']

Ex Output:
e


Ex Input:
7, 12, ['6613', 'O', 'g', 'Y', '6115', '3527', '1921', 'z', 'U', '7233', '4793', 'c', 'W', 'y', '1245', '4121', '5729', 'y', 'L']

Ex Output:
1921zU72334793c


Ex Input:
8, 12, ['7995', '4777', '2351', 'Q', '2839', 'r', 'C', 'k', '7065', 'r', '9653', 't']

Ex Output:

k7065r9653t