// illustrating scope and visibility
#include<iostream.h>

int main()
{

  int x = 3;
  int y = 0;
  int z;

      {
	y = x;
	cout << "inner x = " << x << endl;
	int x = 5;
	cout << "first inner y = " << y << endl;
	y=x;
	cout << "second inner y = " << y << endl;
	int z = 1;
	cout << "inner z = " << z << endl;
      }

  cout << "outer x = " << x << endl;
  cout << "outer y = " << y << endl;
  cout << "outer z = " << z << endl;

return 0;
}

///////////////////////////////////////////////////////////

inner x = 3
first inner y = 3
second inner y = 5
inner z = 1
outer x = 3
outer y = 5
outer z = 134514228