I = input('Enter the name of the image','s');
img=imread(I);
imshow(img);
roi = imfreehand;
img2 = img;
img3 = zeros(size(img));
img2(roi.createMask) = 100;
img3(roi.createMask) = 100;

roi2 = imfreehand;
img4 = img3;
img5 = zeros(size(img));
img4(roi2.createMask) = 200;
img5(roi.createMask) = 200;

imshow(img5);