Task: Program Execution
Input (English): 4, 6, ['D', 'h', 'a', 'B', 'h', 'e', 't', 'A', 'C', '3107', '9057', '2359', 'l', '9935', 'n', 'p', 'p', 'O', 'Y', 'n', 'W', 'F', '8319']
Output (English): ehB