Task: Program Execution
Input (English): [1231, 's', 173, 5941, '3555', '6355', 'b', '6543', 'q', 887, 'j'], [8593, 'l', 'w', 4757, '3555', '6355', 'b', '6543', 'i', 'z', 'N', 6721]
Output (English): 3555, 6355, b, 6543