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, 2, ['t', 'E']

Ex Output:
E


Ex Input:
1, 22, ['3969', 'e', 'B', 't', 'G', '9783', 'F', '7655', '8287', 'j', 's', '4477', 'k', 'a', 'L', '419', '3975', 'X', '8205', 'f', '4253', '1477', 's']

Ex Output:
3969eBtG9783F76558287js4477kaL4193975X8205f42531477


Ex Input:
5, 5, ['C', 'b', '5401', '2477', 'o']

Ex Output:

o