#include <iostream>

using namespace std;

// define a new type
class 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)	// general construct
        {       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() const
	{	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 << "\n\nDone.\n\n\n";
	return 0;
}