#include <stdio.h>
#define PI 3.1429
#define t 1.414213
int main(void){
	double r, ac, as, ay, x;
printf("Enter the radius (cm)");
scanf("%lf" , &r);
x=t*r;
as=x*x;
ac=PI*r*r;
ay=as-ac;
printf("square area=%lf\n", as);
printf("Yellow area=%lf",ay);
return 0;
}
