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, 2, ['6729', 'z']

Ex Output:
6729z


Ex Input:
3, 7, ['7005', 'H', '3625', 'e', 'Q', 'P', '4515', 'j', '6807', 'w']

Ex Output:
3625eQP4515


Ex Input:
2, 2, ['8093', 'P', '701', '665', '6305', '2745', '3523']

Ex Output:

P