#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 n,int s){
        cout<<ename(n)<<endl;
        cout<<esalary(s);
    }
};
int main(){
    string s;
    int salary;
    cin>>salary;
    if(salary<0){
        cout<<"Invalid input";
        return 0;
    }
    else{mployee obj;
    obj.display(s,salary);
    return 0;
    }
}