1288398120071700638285758276999769949713217477328875969357822119866407710300938124010045906970614348921986264669671666844970986991684364241854011852418830779101985138209

256进制转换后：

{87, 101, 108, 99, 111, 109, 101, 32, 116, 111, 32, 116, 104, 101, 32, 34, 71, 117, 111, 32, 77, 101, 110, 103, 32, 67, 117, 112, 34, 32, 80, 114, 111, 103, 114, 97, 109, 109, 105, 110, 103, 32, 67, 111, 109, 112, 101, 116, 105, 116, 105, 111, 110, 46, 32, 69, 110, 106, 111, 121, 32, 121, 111, 117, 114, 115, 101, 108, 102, 33}

按照ASCII码对应

Welcome to the "Guo Meng Cup" Programming Competition. Enjoy yourself!