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:
2, 6, ['G', '2753', '9093', '6789', 'p', 'J', 'X']

Ex Output:
275390936789pJ


Ex Input:
2, 4, ['5237', 'X', '1691', '5405']

Ex Output:
X16915405


Ex Input:
1, 2, ['U', 'h']

Ex Output:

Uh