#include <iostream> 	 
using namespace std;

int main()
{
	double grade;
	
	cout << "Enter the student's numerical grade:  ";
	cin >> grade;

	if (grade >= 90.0) 
	   cout << "\nThe student receives a grade of A" <<endl;
	else if (grade >= 80.0)
		cout << "\nThe student receives a grade of B" <<endl;
	else if (grade >=70.0)
		cout << "\nThe student receives a grade of C" <<endl;
	else if (grade >=60.0)
		cout << "\nThe student receives a grade of D" <<endl;
	else if (grade <60.0)
	    cout << "\nThe student receives a grade of F " << endl;
    
	system("PAUSE");
	return 0;
}