#include <iostream>
using namespace std;

class Student{

	private :
	string name;
	int marks;

	public :
	void set_data()
	{
		cout<<"\nEnter name  : ";
		//getline(cin,name); //guna gini sebab name tu string
		//fflush(stdin);
		cin>>name;
		cout<<"Enter marks : ";
		cin>>marks;

	}

	friend char set_grade(Student);
};

char set_grade(Student s1)
{
	char grade;

	if (s1.marks >= 50)
	{
		grade = 'P';
	}
	else if (s1.marks < 50)
	{
		 grade = 'F';
	}
	cout<<"The grade is : "<<grade<<endl;
}


int main () {

	int num;

	cout<<"How many students ? ";
	cin>>num;

	//x tahu nk Declare a pointer s of class Student
	Student s[num];


	for(int x=0; x<num; x++)
	{

		s[x].set_data(); //kena guna s[x] ntok mendapatkan nilai loop ntok setiap set data
		set_grade(s[x]); //kena guna set_grade(s[x]) ntok dptkn nilain s[x] yg keberapa
	}


}