#include <iostream>
#include <string>

using namespace std;

class Point {
public:
    int x, y;
};

class Triangle {
public:

};


// return_type function_name() {}
class Rect {
public:
    void setA(int new_a) {
        if (new_a <= 0) a = 1;
        else a = new_a;
    }

    Rect() {}

    Rect(int x, int y) {
        setA(x);
        setB(y);
    }

    Rect(int length) {
        setA(length);
        setB(length);
    }

    int getA() {
        return a;
    }

    void setB(int new_b) {
        if (new_b <= 0) b = 1;
        else a = new_b;
    }

    int getB() {
        return b;
    }

    Rect enlarge(int new_a, int new_b) {
        int final_a = a + new_a;
        int final_b = b + new_b;

        Rect result;
        result.setA(final_a);
        result.setB(final_b);

        return result;
    }
private:
    int z;
    int a;
    int b;

};

// return_type function_name() {}
int add(int a, int b, int c) {
    int d = a + b + c;
    string b;
    return d;
}

int f() {
    return 5;
}

// implicit
// explicit
int main() {
    int a, b, c;
    cin >> a >> b >> c;
    add(add(2,5,10),5, 30); // тука ще има някакво сметнато число т.е. 40
    cout << add(a, b, c) << endl;
    f(); // 5
    string z;
    Rect r1(4);
    r1.setA(1);
    r1.setB(1);
    Rect r2();

    r1.setA(2);
    r1.setB(4);
    Rect neshto_si = r1.enlarge(5, 5);
    cout << r1.getA();

    return 0;
}