Task: Program Execution
Input (English): 14, 16, ['X', 'S', '645', '707', '9199', 'L', 'F', 'H', '7471', '6335', 'E', '8741', 'z', '8981', 'X', 'd', 'I', 'j', '281', 'b', '4587']
Output (English): 8981