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:
2, 4, ['i', '2353', 'A', 'm', 'K', '3203', '287', 'm', '5713']

Ex Output:
2353Am


Ex Input:
3, 5, ['i', 'Z', '6515', '7017', 'W', 's']

Ex Output:

65157017W