# include<iostream.h>
# include<conio.h>
float PI=3.14;
void main()
{
 int r;
 clrscr();
 cout<<"Enter the Value of r=";
 cin>>r;
 cout<<"Volume="<<4/3*PI*r*r<<endl;
 cout<<"Circumference="<<4*PI*r*r;
 getch();
}