Task: Program Execution
Input (English): 6, 6, ['7899', '775', 'g', 'A', 'Q', 'B', '7101', 'V', '8729', '4335', '213', '8399', '1883', '7941', 'J', 'V', 'B', '1043', '9685', '3573', '1645', '5971', 'S', 't']
Output (English): B