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, 3, ['2415', '319', 'S']

Ex Output:
2415319S


Ex Input:
12, 15, ['9349', 'l', 'n', '5081', '3021', 'a', '917', '6671', 'Q', '4033', 'v', 'i', 'k', '539', '1413', 'X', '7405', 'S', 'J', '6503', '4311']

Ex Output:
ik5391413


Ex Input:
5, 6, ['1033', 'E', 'v', 'f', '4953', 'b']

Ex Output:

4953b