#include<iostream>
using namespace std;


////global variable
//const int y = 9;
//
////default argument
//void fun(char c = 'w', int x = 12)
//{
//	cout << "fun " << c << " " << x << endl;
//}
//
//void swap(int& y, int& x)
//{
//}
//
//void main()
//{
//	char c = 'a'; // 1 byte- 1 char
//	fun('t');
//	fun('s',54);
//	
//	if(c == 'b')
//	{
//		int x = 9;
//		int y = 99;
//		swap(x,y);
//	}
//	//swap(5,9);
//
//}


void main()
{
	//array - list of variables with a single name
	int grades[10];

	int gradeCount;
	cout << "How many grades do you want to enter (0 to exit)? ";
	cin >> gradeCount;

	while(gradeCount > 0)
	{
		for(int i = 0; i < gradeCount; i++)
		{
			cout << "Grade " << i + 1 << "? ";
			cin >> grades[i];
			//i is the subscript
		}
		for(int i = 0; i < gradeCount; i++)
		{
			cout << "Grade " << i + 1 << "= " << grades[i] << endl;
		}
		cout << "How many grades do you want to enter (0 to exit)? ";
		cin >> gradeCount;
	}
}