//  This program prints "You Pass" if a student's average is 
//  60 or higher and prints "You Fail" otherwise


#include <iostream>
using namespace std;

int main()
{

	float average;    // holds the grade average

	cout << "Input your average:" << endl;
	cin >> average;

	if (average < 0 || average > 100)
		cout << "Invalid data" << endl;
	else if (average >= 90 && average <= 100)
		cout << "You pass with an A" << endl;
	else if (average >= 80 && average < 90)
		cout << "You pass with a B" << endl;
	else if (average >= 70 && average < 80)
		cout << "You pass with a C" << endl;
	else if (average >= 60 && average < 70)
		cout << "You pass with a D" << endl;
	else if (average < 60)
		cout << "You fail" << endl;
    return 0;	
}

/*
Exercise #1:  
	80:  you pass
	55:  you fail
	60:  
	
	if (average >= 60)
Exercise #2:
	if (average >= 60)
		cout << "You Pass" << endl;
	else if (average < 60)
		cout << "You Fail" << endl;
Exercise #3:
	source code above these comments.
*/