#include<iostream>
#include<string>
#include<iomanip>
using namespace std;
class student
{
    public:
    string name;
    float grade;
    void data()
    {
        cin>>name;
        cin>>grade;
    }
};
class student1:public student
{
    public:
    void data1()
    {
        if(grade<0||grade>100)
        {
            cout<<"Invalid input";
            return 0;
        }
        else
        {
            cout<<fixed<<"Name: "<<name<<", "<<"Grade: "<<setprecision(1)<<grade;
        }
    }
};
int main()
{
    student1 A;
    A.data();
    A.data1();
}