Task: Program Execution
Input (English): 16, 21, ['3579', 'R', '1097', 'p', '1683', '2699', 'z', '6061', '7943', 'Q', 'I', 'V', '1295', 'U', 'q', '2403', 'P', 'h', '6469', 'z', 'j']
Output (English): jz9646hP3042