#include<stdio.h>
int main()
{
    int length,bredth,doubleradius;
    scanf("%d",&length);
    scanf("%d",&bredth);
    scanf("%lf",&radius);
    int rec_area=length*bredth;
    double circle_area=3.14*radius*radius
    printf("%d",rec_area,circle_area);
    return 0;
}