Task: Program Execution
Input (English): 7, 16, ['8643', '3745', '6407', 'o', '1481', '5263', 'r', '8173', 'K', 'E', '2679', 'a', '1759', 'U', 'K', 'R', '9809']
Output (English): RKU9571a9762EK3718r