Task: Program Execution
Input (English): 14, 15, ['p', '4933', '4045', 'C', 'Y', '491', 'T', 'G', '4751', '3003', 'A', 'H', '7541', '3463', 'R', 'K', 'g', 'd', '5235', 'l', '3837']
Output (English): R3463