#include<iostream.h>
#include<string.h>
class Cstudent  
{
public:
	Cstudent(int num1=0,char name1[10]="student",char sex1=0,int age1=0)
	{
		num=num1;
		strcpy(name,name1);
		sex=sex1;
		age=age1;
	}
	~Cstudent(){}
protected:
	int num;
	char name[10];
	char sex;
	int age;

};