Task: Program Execution
Input (English): 1, 3, ['W', 'o', '4263', '5185', '2299', '4553', 'C', 'M', '8279', '9283', 'h', '3283', '4843', 'j', 'X', '2071', '8873', '9103']
Output (English): W, 5185, C, 9283, 4843, 2071