#include<stdio.h>

struct area
{
    int r;
    int h;
};
int main()
{
    struct area cylinder;
    scanf("%d",&cylinder.r);
    scanf("%d",&cylinder.h);
    if(cylinder.r<0 || cylinder.h<0)
    {
        printf("Invalid input");
    }
    else
    {
        float A;
        float V;
        A=2*3.141592653589793.*cylinder.r*(cylinder.r+cylinder.h);
        printf("surface area: %.2f\n",A);
        V=3.141592653589793*cylinder.r*cylinder.h;
        printf("volume: %.2f\n",V);
    }
}