Task: Program Execution
Input (English): 21, 22, ['A', '8941', '5023', '7251', '4391', 'r', 'H', '3795', 'B', '4261', 'c', 'Z', '2739', 'M', '145', '3899', 'S', '7947', 'Q', 'h', 'u', '4599', '8469', 's', '8577', 'r']
Output (English): 9954u