#include<iostream>
#include<iomanip>

using namespace std;

struct Student
{	string name;
	int test1, test2, final;
	int age;
	float avg;
};


int main()
{
	Student someone;
	char dummy;		
	float class_total = 0;
	float class_size = 0;
	float class_avg;
	float avg_age = 0;
	float total_age;

	cout << "Input the name:  ";
	getline (cin,  someone.name) ;

	while(cin)
	{	
		cout << "Enter student's age: ";
                cin >> someone.age ;
		cout << "Three exam scores:  ";
		cin >> someone.test1 >> someone.test2 >> someone.final;
		
		class_size ++;
		someone.avg = (someone.test1 + someone.test2 + someone.final)/4.0 ;
		class_total += someone.avg;
		avg_age += someone.age;
	
		cout << "Name:  " << someone.name << endl;
		cout << "Age: " << someone.age << endl;
		cout << "Test 1:  " << someone.test1 << endl;
		cout <<"Test 2:  " << someone.test2 <<endl;
		cout <<"Final: " << someone.final <<endl;
		cout << "Student average:  " << fixed << setprecision(1) << someone.avg << endl;
		cin.get(dummy);
		cout <<"Input the name:  ";
		getline(cin, someone.name);
	}
	
	total_age = avg_age/ class_size;	
	class_avg = class_total/ class_size;
	cout << "\nClass average:  " << class_avg << fixed << setprecision(1) << endl;
	cout << "Average age of the class:  " << fixed << setprecision(0) << total_age << endl;

	cout << "\n\nDone.\n";
	return 0;
}