#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 o;
}