So, sum will now be, sum was 0 so sum will now be 1, here was sum, sum was 0, sum becomes 1, then sum becomes 2, sum becomes 3 like that it will go on all right.
તેથી, sum હવે 1 હશે, sum 0 હતો, sum 1 થાય છે, પછી sum 2 બને, sum 3 બને છે આ રીતે તે આગળ જશે.