Task: Program Execution
Input (English): 6, 11, ['4319', 's', 'R', '5551', 'G', 'b', '8469', 'X', 'O', '729', 'R', '5711', 'I', '1005', '9915', '9893', 'u', 'T', 'N', '2415']
Output (English): R927OX9648b