#include <iostream>
#include <fstream>
#include <sstream>
#include <vector>
#include <cmath>
#include <cctype>

using namespace std;

struct Point {

    double x;
    double y;
    string s;

    Point(string s){
        this->s = s;
        x = 0;
        y = 0;
    }

    Point(string s, int x, int y){
        this->s = s;
        this->x = x;
        this->y = y;
    }

    void print(){
        cout << s << ": (" << x << "," << y << ")" << endl;
    }

    void read(){
        cout << s << " taskas, ivesk dvi koordinates: ";
        cin >> x >> y;
        this->s = s;
    }

    double getDistance(Point q){
        double dx = this->x-q.x;
        double dy = this->y-q.y;
        return sqrt(dx*dx + dy*dy);
    }

};





int main(){

    Point p1("Pirmas", 1, 2), p2("Antras", 4, 5), p3("Trecias");
    p3.read();

    cout << "Turime tris taskus: " << endl;
    p1.print();
    p2.print();
    p3.print();

    cout << "Atstumas tarp p1 ir p2 yra " << p1.getDistance(p2) << endl;
    cout << "Atstumas tarp p1 ir p3 yra " << p1.getDistance(p3) << endl;

    return 0;
}