float e,a,b,c,d;
main(i)
{for (;b<4;b+=.1){for(a=0;a<4;a+=.06){c=d=0;
for(i=99;--i&&c*c+d*d<4;)e=c*c-d*d+a-2,d=2*c*d+b-2,c=e;
putchar((char)i<=1?46:32);}puts("");}}