#include <iostream>
using namespace std;

class Varza
{
private:
    int R1, R2, R3, R4;
public:
    Varza() : R1(0), R2(0), R3(0), R4(0) { }
    void Ivedimas();
    int operator + () { return R1 + R2 + R3 + R4; }
};

void Varza::Ivedimas()
{
    cout << "Ivesktie R1: "; cin >> R1;
    cout << "Ivesktie R2: "; cin >> R2;
    cout << "Ivesktie R3: "; cin >> R3;
    cout << "Ivesktie R4: "; cin >> R4;
}

int main()
{
    Varza varzos;
    varzos.Ivedimas();
    return 0;
}