#include <iostream>
using namespace std;
class Sam {
public:
static int demo;
Sam(int x = 1, int y = 2, int z = 3) {
X= x;
Y = y;
Z = z;
}
private:
double X;
double Y;
double Z;
};
int Sam::demo = 7;
int main(void) {
Sam sam1(6, 7, 8);
cout << "Demo: " << Sam::demo << endl;
return 0;
}