#include <iostream>
#include <stdlib.h>
using namespace std;

class Punkt{
private:
    int x, y;
public:
    Punkt(int x, int y){
        this->x = x;
        this->y = y;
    }
    friend ostream& operator<<(ostream& oo, Punkt& pp);
    friend istream& operator>>(istream& oo, Punkt& pp);
};

ostream& operator<<(ostream& oo, Punkt& pp){
    oo << "{" << pp.x << ", " << pp.y << "}\n";
    return oo;
}

istream& operator>>(istream& oo, Punkt& pp){
    oo >> pp.x;
    oo >> pp.y;
    return oo;
}

int main(){
    Punkt p(1,2);
    cin >> p;
    cout << p;
    return 0;
}