//This program averages three test scores
#include <iostream>
#include <iomanip>
using namespace std;

int main ()
{
	double score1, score2,score3;//To hold three test scores
	double average;			   //To hold the average score
	
	//Get the three test scores.
	cout<<"Enter 3 test scores and I will average them:";
	cin>> score1 >> score2>> score3;
	
	//Display the test scores.
	cout<< "\nYour test scores\n";
	cout<< "----------------\n";
	cout<< setprecision(2) << fixed;
	cout<< "Test 1:"<< setw(8) << score1 << endl;
	cout<< "Test 2:"<< setw(8) << score2 << endl;
	cout<< "Test 3:"<< setw(8) << score3 << endl<<endl;
	
	//Calculate and display the average score.
	average = (score1 + score2 + score3 ) / 3.0;
	cout << fixed << showpoint << setprecision(1);
	cout << "Your average is "<< average << endl<<endl;
	
	//If the average is greater than 95, congratulate the user.
	if (average>90)
	  {
	  cout <<"Congratulations! That's a high score!\n";
	  cout <<"\n";
	  cout <<"\n";
	  cout <<"\n";
	  cout<< "Your grade is A\n";
	  }
	else if (average>75)
	  cout <<"Your grade is B\n";
	else if (average>60)
	  cout <<"Your grade is C\n";
	else if (average>50)
	  cout <<"Your grade is D\n";
	else
	  cout <<"Your grade is F\n";   
	return 0;
}