Task: Program Execution
Input (English): 12, 15, ['385', 'u', 'x', 'g', 'A', '1377', '4591', 'V', '8469', 'j', 'U', 'V', 'B', 'w', 'o', 'i', 'U', '2349', '5869']
Output (English): V, B, w, o