THIS

#include
using namespace std;
class kaka
{
private:
int m_nValue;

public:
kaka() { m_nValue = 0; }

kaka& Add(int nValue) { m_nValue += nValue; return *this; }
kaka& Sub(int nValue) { m_nValue -= nValue; return *this; }
kaka& Mult(int nValue) { m_nValue *= nValue; return *this; }

int GetValue() { return m_nValue; }
};

int main ()
{
kaka milan;
milan.Add(10).Sub(5).Mult(3);
cout << milan.GetValue() << endl;


}