Task: Program Execution
Input (English): 6, 16, ['W', '143', '147', '2749', '9055', 'P', '6781', '3705', 'Y', '3033', '3537', 'G', 'u', '9927', '2717', '17', '3581', 'B', 'L']
Output (English): P67813705Y30333537Gu9927271717