#include <iostream>

using namespace std;

class Sinhvien
{

private:
	string mssv;
	string ten;
	int tuoi;
public:
	Sinhvien()
	{
		mssv = "1751120036";
		ten = "Nguyen Hai Nguyen";
		tuoi = 20;
	}
	void noichuyen()
	{
		cout << "noi linh tinh" << endl;
	}
	void choigame()
	{
		cout << "choi game" << endl;
	}
	void hocbai()
	{
		cout << "doc sach"<<endl;
		cout << "ban sung" << endl;
	}
	void inthongtin()
	{
		cout <<  mssv<<endl;
		cout << this->tuoi << endl;
	}
};

int main()
{
	Sinhvien a;
	a.inthongtin();
	system("pause");
	return 0;
}