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:
4, 5, ['187', 'k', 'X', '4759', 'G', 'm']

Ex Output:
4759G


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

Ex Output:
I


Ex Input:
10, 10, ['8309', 'P', '1135', '3391', 'Z', 'G', '4755', 'f', '2061', '4111', '3005', '625', '2953', 'I', 'U', '1931', 'S', '8473', 'u']

Ex Output:

4111