Task: Program Execution
Input (English): 9, 11, ['5725', '4045', 'Z', '9619', 'y', '923', '2273', 'G', '9577', 'u', 'a', 'y', 'S', '885', '2433', 'R', '9769', '6127', '9075', '835']
Output (English): a, u, 9577