Task: Program Execution
Input (English): 1, 11, ['Y', 'B', '8209', 'J', 'B', '8765', '5219', '7653', 'P', '2291', 'u', 'Y']
Output (English): u, 2291, P, 7653, 5219, 8765, B, J, 8209, B, Y