Task: Program Execution
Input (English): 15, 23, ['5067', 'u', 'W', '5397', 'x', 'z', '5633', 'B', 'C', 'O', '9371', 'l', 'k', '1607', 'g', 'l', '3881', 'y', '5967', 'C', '2403', 'j', 'x', '43']
Output (English): xj3042C7695y1883lg