#include<stdio.h>
int main()
{
    int x,y;
    double r;
    
        scanf("%d", &x);
        scanf("%d", &y);
        scanf("%lf", &r);
        int rect_area= x*y;
        double circle_area= r*r;
        
            printf("%d\n",rect_area);
            printf("2.lf\n",circle_area);
                
    
    return 0;
}