class
Display_is_power_of_2{
public static
void main(String args[]) {
Scanner sc=new
Scanner(System.in);
System.out.println("Enter
the number : ");
int n =
sc.nextInt();
while(n!=1)
{
if(n%2
!= 0)
{
System.out.println("not a power of
two");
return;
}
n
= n/2;
}
System.out.println("power
of two");
}}