Given the following method:

public static void mystery(int x) { 

 int y = 1; 

 int z = 0; 

 while (2 * y <= x) { 

 y = y * 2; 

 z++; 

 } 

 System.out.println(y + " " + z); 

} 

Write the output of each of the following calls.

mystery(1);
mystery(6);
mystery(19);
mystery(39);
mystery(74);