Task: Program Execution
Input (English): 12, 15, ['W', 'c', '509', '9653', 'f', 's', '6871', '8581', 'b', '1845', 'A', '8341', 'N', 'n', '5437', '261', 'p', '905', 'p', 'L', 'i']
Output (English): 8341Nn5437