Task: Program Execution
Input (English): 2, 20, ['h', '9357', '8479', 'i', '6211', '6333', '1175', '3093', '6273', '9909', '1293', '8545', '5525', 'u', '9109', 'p', '6889', 'B', '5125', 'Z', 'L', 'Z', 'u', 'U', '7623', '6619', '9731', '1143']
Output (English): 93578479i621163331175309362739909129385455525u9109p6889B5125Z