Untitled

#include<iostream>
using namespace std;

float pi = 3.1416;

class circle
{
    public :
    int radius;
    void rad_cir (int r)
    {
      cout << pi*r*r << " " << 2*pi*r;
    }
};

int main()
{
    int r;
    cin >> r;
    circle cir;
    cir.rad_cir(r);
}


#include<iostream>

using namespace std;

class Employee
{
    string name;
    string employee_ID;
    int prf;

public :
    void people(string n, string eid, int p)
    {
        name = n;
        employee_ID = eid;

        prf = p;
    }
    float sal()
    {
        cout<< 55000 + prf * 500<<endl;
    }

};
int main()
{
    int p;
    string n,eid;
    cin>> n >> eid >> p;


    Employee chor;

    chor.people(n,eid,p);
    chor.sal();
}