Task: Program Execution
Input (English): 15, 22, ['B', 'i', '6819', 'I', '807', '3639', '2649', 'a', 'B', 'R', '5119', '1269', 'G', 'v', '7679', 'S', '8217', 'S', 'T', '3769', 'n', 'N']
Output (English): Nn3769TS8217S7679