#include <iostream.h>

#define MAX  100

class sungjuk {
	int n;	// number of students
	char hakbun[MAX][30];
	char name[MAX][30];
	int exam_mid[MAX];
	int exam_fin[MAX];
	int report[MAX];
	int sum[MAX];
	int grade[MAX];
public:
	void input_data();
	void output_data();
	void set_sum();
	void sort_sum();
};

void sungjuk::input_data()
{
	int i;

	cout << "Number of students: ";
	cin >> n;	// number of students
	for (i = 0; i < n; i++) {
		cout << "hakbun name kor eng math\n";
		cin >> hakbun[i] >> name[i];
		cin >> exam_mid[i] >> exam_fin[i] >> report[i];
	}
}

void sungjuk::output_data()
{
	int i;

	cout << "i NAME HAKBUN KOR ENG MATH SUM AVE\n";

	for (i = 0; i < n; i++) {
		cout << i+1 << " " << name[i] << " " << hakbun[i] << " ";
		cout << exam_mid[i] << " " << exam_fin[i] << " " << report[i] << " ";
		cout << sum[i] << "\n";
	}
}

void sungjuk::set_sum()
{
	int i;

	for (i=0; i<n; i++)
		sum[i] = exam_mid[i] + exam_fin[i] + report[i];
}

void sungjuk::sort_sum()
{
	int i, j, k;

	for (i=0; i<n-1; i++) {
		k = i;
		for (j=i+1; j<n; j++) {
			if (sum[k] < sum[j]) k = j;
		}
		if (i != k) {
			...	// interchange i-th and k-th student
		}
	}
}

main()
{
	sungjuk x;

	x.input_data();
	x.set_sum();
	x.output_data();
}