#include <stdio.h>


    int h=0;
    int r=0;
    int v=0;

    int cylinderVolume=0;
    int cylinderSurfaceArea=0;

 void calc_vol(int);
 int main()
{

    printf("enter cylinder height\n");
    scanf("%d", &h);

    printf("enter cylinder raduis\n");
    scanf("%d", &r);

    double cylinderVolume = 3.14159*r*r*h;
    printf ("the volume is %d ", cylinderVolume);



    return 0;
}