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, ['87', 'd']

Ex Output:
87d


Ex Input:
1, 11, ['Q', 'z', 'E', '4501', 'G', '4227', 'k', 'Y', '291', 'T', '1347', '6989', 'J', 'T', '7713', 't', '9903', '4703', '7389', '5391', '5111', 'Q', 'k']

Ex Output:
QzE4501G4227kY291T1347


Ex Input:
5, 15, ['8241', 'x', 'X', '5077', '3593', 'e', 'F', '4043', '1601', '8439', 'm', '2505', 'g', 'Z', 'i', 'S', 'V', '8739']

Ex Output:

3593eF404316018439m2505gZi