Task: Program Execution
Input (English): 6, 18, ['Y', 's', 'A', 'R', 'A', '2811', 'J', 'u', 'R', 'g', '5921', 'B', 'U', '4637', 'n', '1607', 'z', 'Z', 'K', '3475', '8499', '3585', '163', 'w', 'c', 'q', 'X']
Output (English): 2811JuRg5921BU4637n1607zZ