worker

#include <iostream>
#include <string>
using namespace std;
class human{
protected:
    string name,surname;
    int age;
public:
    human(string x,string y){
        name=x;
        surname=y;
        age=0;
    }
    human(string x,string y,int age_1){
        name=x;
        surname=y;
        age=age_1;
    }
    void say_hello(){
        if(age>0){
            cout<<"hello my name is "<<name<<"  "<<surname<<endl<<age<<" years old"<<endl;
        }
        else{
          cout<<"hello my name is "<<name<<"  "<<surname<<endl;
        }

    }
};

class worker : public human{
protected:
    float salary;
    string jobname;
public:
    worker(string x, string y, float z,string job) : human(x, y), salary(z),jobname(job){}
    void say_hello_1(){
        cout<<"salary is "<<salary<<"\t"<<" jobname is "<<jobname << endl;
    }
};


int main()
{
    human b=human("Vasya","Pupkin",4356);
    b.say_hello();
    worker a = worker("Ivan", "Ivanov", 12345.0,"human");
    a.say_hello_1();
}