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, 4, ['7311', '317', 'w', 'c', 'S', '5919', '3377']

Ex Output:
wc


Ex Input:
3, 5, ['1381', '3871', '329', 'r', '1787', '9913', 'I', 'b', 'I', 'k', '7125', 'd', '6585', '8679', '8263', '1257', 'b', 'E', '4733', '5709', 'B', '8095']

Ex Output:
329r1787


Ex Input:
2, 15, ['9173', 'G', 'N', 'A', 'a', '3207', 'U', '1777', '6121', '7215', 'p', '4533', 'C', '8957', '467', 'm']

Ex Output:

GNAa3207U177761217215p4533C8957467