Task: Program Execution
Input (English): 18, 22, ['E', '9077', 'M', 'A', 'u', '2077', 'q', 'K', 'v', 'p', 'K', '6905', 'V', '9693', '6789', 'O', '6295', '2855', 'Z', '9', 'Q', 'A', 'y']
Output (English): AQ9Z2855