Relevant calculation of sphere, etc

Please write a simple program , Enter the radius and height , Output circumference , Round area , Ball area , The volume of the ball , Cylinder volume .（PI=3.1415926）

Format

Input format ： Input is double type

Output format ： Branch output , Retain 2 Decimal place

Examples

Input ：1.5  3

Output ：9.42

           7.07

           28.27

           14.14

            21.21

#include<bits/stdc++.h> 

using namespace std;

int main( )
{
     double a,b;
     scanf("%lf",&a);
     scanf("%lf",&b);
     printf("%0.2lf\n",3.1415926*2*a) ;
     printf("%0.2lf\n",3.1415926*a*a) ;
     printf("%0.2lf\n",3.1415926*a*a*4) ;
     printf("%0.2lf\n",3.1415926*a*a*a*4/3) ;
     printf("%0.2lf\n",3.1415926*a*a*b) ;
     return 0;
}