#include<stdio.h>
struct area
{
    int r,h;
    float area;
};
int main()
{
    struct area place;
    scanf("%d %d",&place.r,&place.h);
    if(place.r<0&&place.h<0)
    {
        printf("Invalid input");
    }
    else
    {
        printf("%.2f",Surface Area:);
        printf("%.2f",Volume:);
    }
}