k = 0; m = 0; n = 0; for i = -100:100 for j = -100:100 a = (i-10)^2; b = (j-10)^2; if ((a+b)<35) m = 1; else m = 0; endif if ((a+(b/4))<50) n = 1; else n = 0; endif if (m+n == 2 ) k++; else k = k; endif end end