Task: Program Execution
Input (English): 9, 16, ['7319', '1645', 'k', 'K', '3993', '9569', 'i', '1867', '5913', 'd', 'X', 'x', '4373', 'h', '49', '345', 'P']
Output (English): 5913, d, X, x, 4373, h, 49, 345