class Calculator
{
private:
    int value=0;
public;
    int getValue(){
        return value;

    }
    void multiply(int a){
        value*=a;
    }
    void divide(int bottom){
        value=value/bottom;
    }
    void add(int a);{
        value+=a;
    }
    void subtract(int second){
        value=value-second;
    }

};