Task: Program Execution
Input (English): 12, 16, ['S', 'i', '5125', 'h', 'I', '9423', '6311', 'r', 'D', '447', '5949', '4469', '6563', 'x', '4215', '3559', '125']
Output (English): 3559, 4215, x, 6563, 4469