#include <stdio.h>
#include <math.h>
#define p 3.1415927
int main() {
    float a, r, r2, ogko_cube, embado_cube, ogko_sfaira, embado_sfaira;
    printf("dose a :");
    scanf("%f", &a);
    ogko_cube=a*a*a;
    embado_sfaira = 6*(a*a);
    ogko_sfaira=4.0/3*p*(a*a*a);
    embado_cube = 4.0*p*(a*a);




    printf("ogkos kivou:%f\n",ogko_cube);
    printf("embadon kivou:%f\n",embado_cube);
    printf("ogkos sferea:%f\n",ogko_sfaira);
    printf("embadon sferea:%f\n",embado_sfaira);
    return 0;

}