#include <iostream.h>

struct teacher
{
	int age;
	int dd;
};

struct student
{
	int age;
	char grade;
	teacher one;
};

int main()
{
teacher two,*pt;
student three[10];

	two.dd=3;
	two.age=30;

	pt->dd=5;
	pt->age=35;

	three[0].grade='A';
	three[1].grade='C';

	three[2].one.dd=5;

	cout<<two.dd<<"\n";
	cout<<pt->age<<"\n";
	cout<<three[1].grade<<"\n";
	cout<<three[2].one.dd;


	return 0;

}