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:
2, 3, ['5503', '1945', 'K', '541', '1461', '6853']

Ex Output:
1945K


Ex Input:
1, 2, ['7161', '3547', 'u']

Ex Output:
71613547


Ex Input:
1, 2, ['9329', 'H']

Ex Output:

9329H