Task: Program Execution
Input (English): 4, 15, ['W', 'u', '5201', '1959', 'E', 'B', '4635', 'K', 'h', '697', 's', '6665', '119', '8843', '2369', 'h', 'v', '2125', 'H', '6499', '7205', '4021', 'G', 'G', '2235', '2411']
Output (English): 1959EB4635Kh697s666511988432369