Task: Program Execution
Input (English): 10, 13, ['257', '3641', '5513', 'g', '9025', '1593', 'H', 'f', 'z', '4543', 'L', 'B', 'D', '439', '5019', '2215', 'e', '1435', '1811', 'n', 'g', '7891', 'C', '3789', '253']
Output (English): D, B, L, 4543