/////////////////////////
// class work 2/11/08 //
///////////////////////
#include <iostream>

using namespace std;

//define a new type
class Student				//Struct Student would work too
{
	string name;
	int scores [3];
public:
	void Set(string n, int s1, int s2, int s3)
	{	name = n; scores[0] = s1; scores[1] = s2; scores[2] = s3; }
	float avg ()	const
	{	float t;
		t = (scores[0]+scores[1]+scores[2])/3.0 ;
		return t ;
	}
	char Grade ()  const
	{	if (avg() >= 60 )
			return 'P';
		else
			return 'F';
	}
	void Print ()
	{	cout << "AVG:  " << avg(); cout << " Grade: " << Grade(); }
	

};

int main()
{
	Student me ;
	string n;
	int s1, s2, s3;
	getline(cin, n);
	cin >> s1 >> s2 >> s3;
	me.Set(n, s1, s2, s3) ;
	me.Print();
	cout << "\n\nDone.\n\n\n" ;
	return 0 ;

}