Task: Program Execution
Input (English): 15, 15, ['4083', '6165', 'h', '1293', '5441', 'U', '61', 'U', '8089', 'h', '5125', '5367', 'u', 'M', '9143', '9831', '4361', '2077', '7735']
Output (English): 9143