Task: Program Execution
Input (English): 1, 5, ['z', '5023', 'u', 'P', '9643', '2841', 'C', '6395', 'f', 'T', '6425', '443', 'N', '2929', '8935', '6727', '3155', '2917', '5711', 'Q', 'W', 'w', '969']
Output (English): z, 2841, 6425, 6727, W