Task: Program Execution
Input (English): 18, 20, ['D', 'O', '3411', '4875', '3605', '5573', '3039', 'S', '9617', '8743', 's', '9525', 'z', 's', 'O', 'y', 'Y', '9771', 't', '43', '5899', '2301', 'Z', 'O', 'O']
Output (English): 43t9771