Task: Program Execution
Input (English): 4, 14, ['R', 'u', 's', 'b', '1469', '3145', 'N', '2051', 'Q', '487', 'z', '7749', 'Q', 'n', 'l', 'w', 'G']
Output (English): nQ7749z487Q2051N31451469b