#include<stdio.h>
#define pI 3.141592653589793
int main()
{
    int r, h;
    float surfaceArea, volume;
    scanf("%d", &r);
    scanf("%d", &h);
    if(r < 0 || h < 0){
        printf("Invalid input");
        return 0;
    }
    surfaceArea = 2 * pI * r * (r + h);
    volume = pI *r * r *h;
    printf("surface Area: %.2f\n", SurfaceArea);
    printf("volume: %.2f", Volume);
    return 0;
}