#include<iostream>
using namespace std;

//prototype - prophecy that you will write this function
void fun(int& x);

//global variable
const int y = 9;

void main()
{
//	y = 77;
	int x = 8;
	fun(x);
	cout << y << endl;
	//int grade;
	//cin >> grade;

////	nearly the most unstructured thing in c++
////	switch(grade/10)
////	{
////		case 10:
////		case 9:
////			cout << "A" << endl; break;
////		case 8:	cout << "B" << endl; break;
////		case 7:	cout << "C" << endl; break;
////		case 6:	cout << "D" << endl; break;
////		default:cout << "F" << endl; break;
////	}
////
////	int i = 0;
////tag:
////	cout << i << endl;
////	if(i < 10)
////	{
////		i++;
////		goto tag;
////	}
////


	/*if(grade >= 90)
	{
		cout << "A" << endl;
	}
	else if(grade >= 80)
	{
		cout << "B" << endl;
	}
	else if(grade >= 70)
	{
		cout << "C" << endl;
	}
	else if(grade >= 60)
	{
		cout << "D" << endl;
	}
	else
	{
		cout << "F" << endl;
	}*/

}

void fun(int& x)
{
	cout << x <<  "this is a function \n" ;
//	y = 99;
}