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:
7, 17, ['585', '2781', '2379', 'p', 'Q', 'Q', 'm', '9579', 'D', '989', '2351', 'G', '1737', 'w', '6601', 'c', '5687']

Ex Output:
m9579D9892351G1737w6601c5687


Ex Input:
3, 6, ['8861', 'q', 'R', '683', 'w', 'b', '7633', 'o', 'O']

Ex Output:

R683wb