#include<bits/stdc++.h>
#include<stdexcept>
#include<chrono>
using namespace std;
auto start = chrono::steady_clock::now();
class Person{
string name;
int age;
public:
Person(){
this->name = "No name";
this->age = 0;
}
friend ostream &operator <<(ostream &output , Person &p);
friend istream &operator >>(istream &input , Person &p);
};
ostream &operator <<(ostream &output , Person &p){
output<<"Who is Devil "<<endl;
output<<"My name is "<<p.name<<" My age is "<<p.age<<endl;
return output;
}
istream &operator >>(istream &input , Person &p){
cin>>p.name>>p.age;
return input;
}
int main(){
cout<<"Enter the name "<<endl;
Person ak;
cin>>ak;
cout<<ak;
auto end= chrono::steady_clock::now();
auto diff = end - start;
cout<<chrono::duration<double,milli>(diff).count()<<" ms"<<endl;
}