#include<iostream>
using namespace std;
class Person
{
    public:
    string eName(string name)
    {
        return name;
    }
    int esalary(int salary)
    {
        return salary;
    }
};
class Employee : public Person
{
    public:
    void display(string s, int n)
    {
    cout<<eName(s)<<endl;
    cout<<eSalary(n);
}
};
int main()
{
    string s;
    int salary;
    getline(cin,s);
    cin>>salary;
    if(salary<0)
    {
        cout<<"Invalid input";
        return 0;
    }
    Employee obj;
    obj.dis
}