Task: Program Execution
Input (English): 12, 15, ['S', '1103', '9597', 'a', '2315', '8243', '1467', '7871', '3145', '1927', 'a', '9661', 'c', '9641', 'O', '8889', '5367', '8789', '4845', 'C', '8443', '3819', '2141', '61', '7657', 'R']
Output (English): 9661c9641O