#include <iostream>
using namespace std;

int defaultParam (int x = 30, int y = 20, int z = 10);
int staticVar();

int main ()
{
	int n = defaultParam (1,2,3);
	int m = defaultParam (4,5);
	
	cout << n << endl;
	cout << m << endl;
	cout << staticVar() << endl;
	
	cout << (n>>2) << endl;
	cout << ((n|m)<<2) << endl;
	
	return 0;
	
}

int defaultParam (int x, int y, int z)
{
	return x + y + z + staticVar();
}

int staticVar()
{

	static int x =2;
	x+=2;

	return x;

}