#include <iostream>

using namespace std;

// define a new type
struct Student 
{
private:
	string name;
	int scores[3];
public:
	Student ()
	{ 	name = "xxx xxx"; scores[0] = 0; scores[1] = 0; scores[2] = 0; }
	Student(string n, int s1, int s2, int s3)
	{ 	name = n; scores[0] = s1; scores[1] = s2; scores[2] = s3; }
	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;	// invoke default
	me.Print();
	cout << "\n\n======================\n\n";
	string n;
	int s1, s2, s3;
	getline(cin, n);
	cin >> s1 >> s2 >>s3;
	me.Set(n, s1, s2, s3);
	me.Print(); 
	cout << "\nDone.\n";	
	return 0;
}