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:
10, 10, ['7373', 'K', 'n', '9163', '7535', 'G', '5243', 'j', 'x', 'O', '1973']

Ex Output:
O


Ex Input:
6, 23, ['l', '5177', '2003', '6861', 'X', '2177', '7697', '5179', 'v', 'R', '2781', '8985', '6935', '9205', '5637', '9995', '545', 'u', '3265', '9621', 'T', '4225', '3235', '9915', 'P', '1429', '5805', 'R']

Ex Output:
217776975179vR278189856935920556379995545u32659621T42253235


Ex Input:
1, 7, ['379', '2897', 'p', '2887', '1931', '5275', 'r', 'l', 'p']

Ex Output:

3792897p288719315275r