#include<iostream>
##include<string>
using namespace std;
class student{
    private:
      string name;
      float grade;
    public:
       student(string n,float g) : name(n),grade(g){
           if(grade < 0 || grade > 100){
               cout << "Invalid input" << endl;
           }
       }
       void display(){
           if(grade >= 0 && grade <= 100){
               cout << "\nName: " << name << ",Grade: " <<grade << endl;
           }
       }
};
int main()
         
         string name;
         float grade;
         cout << "Enter student name:";
         cin >> name;
         cout << "\nEnter student grade:";
         cin >> grade;
         if(name.length() < 1 || name.length() > 50){
             cout << "Invalid input" << endl;
             return 1;
         }
         student c(name , grade);
         c.display();

}