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:
3, 6, ['5163', 'Z', '4011', '8827', 'P', 'u', 'b', 'a', 'W']

Ex Output:
40118827Pu


Ex Input:
8, 13, ['5227', '2377', '4493', '5233', '5659', '1439', '7585', '6717', '363', 'R', 'y', 'L', 'O', '4373', '1923', 'R', '2941', '5855', 'V', 'c', 'h', 'a', '7661']

Ex Output:
6717363RyLO


Ex Input:
8, 14, ['1217', '1489', '1881', '4403', 'b', 'n', '4351', 'D', '3939', 'V', '9651', 'W', '895', '3819', 'F', 'H', 'B']

Ex Output:

D3939V9651W8953819