Task: Program Execution
Input (English): 13, 15, ['77', '8643', 'S', '8425', 'm', '9647', 'B', '4947', 'i', 'G', '9781', 'U', 'o', '1753', 'f', '4119', 'H', 'u', 'u', '9555', '8461', '4065', '7189', '4201', '1513']
Output (English): f, 1753, o