#include <stdio.h>
#include <math.h>
int main(){
float z,x,c,v;
for (z=1.5f;z>-1.5f;z-=0.1f)
{
for(x=-1.5f;x<1.5f;x+=0.05f)
{
c=x*x+z*z-1;
v=c*c*c-x*x*z*z*z;
putchar(v <=0.0f?"*********"[(int)(v*-8.0f)]:' ');
}
putchar('\n');
}
getchar();
return 0;
}