1916: Person_Student_Teacher
内存限制：128 MB
时间限制：1.000 S
评测方式：文本比较
命题人：
提交：77
解决：49
题目描述
define a Person class，which contains two data fields: id and name；
define a Student class and Teacher class by extending Person class ,respectively，Student has a new data field: grade，Teacher has a new data field: department
输入
there are many cases, for each case,input a character 'S' denoting a Student or 'T' denoting a Teacher,
输出
output the information of the Student or the Teacher as required
样例输入 复制
S 101 WangLi 90
T 201 LiXin CS
S 102 ChenHuan 99样例输出 复制
id：101 name：WangLi grade：90
id：201 name：LiXin department：CS
id：102 name：ChenHuan grade：99