#include <stdio.h>
#include <marth.h>
struct blueprincess 
{
    int r,h;
    float surfaceArea;
    float Volume;
    struct blueprincess find;
    scanf("%d",&find.r);
    scanf("%d",&find.h);
    
    if(find.r<0 || find.h<0)
    {
        printf("Invalid Input\n");
    }
    else
    {
        double surfaceArea=2*3.14159265389793 *find r *(find.r+find.h);
        volume=3.141592653589793*find.r*find.r*find.h;
        printf("surface Area; % 2f\n",surfaceArea);
        printf("Volume; % 2r\n", Volume);
    }
    return 0;
}