% changeUnit_main
%
n=input('Give number of  books: ');
item='book';
y1=price(n,item);


n=input('Give number of notebooks: ');
item='notebook';
y2=price(n,item);


n=input('Give number of pencils: ');
item='pencil';
y3=price(n,item);
y=y1+y2+y3;
disp([num2str(y) ' Shekels.']);