#include <iostream>

#include <string>

using namespace std;

class Student

{

private:

string first_name;

string second_name;

int group;

public:

Student()

{

first_name = "First_name";

second_name = "Second_name";

group = 0;

}

Student(first_name,Second_name,group):first_name(0),second_name(0),group(0)

{

}

void ShowDate()

{

cout << first_name <<" "<< second_name<< " " << group;

}

};

int main(int argc, char *argv[])

{

cout << "Hello, World!\n";

string a,b;

int c;

cin >> a;

cin >> b;

cin >> c;

Student person(a,b,c);

person.ShowDate();

return 0;

}