import *;
import java.awt.*;
import java.awt.event.*;
public class Student
{
   
       public static void main(String args[])
       {
           Stu1 a=new Stu1(29065001L,"一","小明 ","男",22);

          System.out.println(a.toString());
       }
}

 class Stu1
{
                  
           long number;
           String classname;
           String name;
           String sex;
           int age;
        

public String toString()
{
   String s="学号：  "+number+"\n班级名： "+classname+"\n名字：  "+name+"\n性别：  "+sex+"\n年龄：  "+age;
   return s;
}     

}