#include<stdio.h>
#define PI 3.141592653589793
struct cylinger{
    int radius;
    int height;
};
int main(){
    struct cylinder c1;
    int r=c1.radius;
    int h=c1.height;
    scanf("%d %d",&r,&h);
    
    if(r<=0|| h<=0){
        printf("Invalid input");
        return 0;
    }
    
    float surface =2*PI*r*h+(2*PI*r*r*);
    float volume =PI*r*r*h;
    
    printf("surface Area: %2f\n",surface);
    printf("Volume:%2f",volume);
    return 0;
}