i still have no idea whats wrong with my logic.. or i think i misunderstand with the problem ._.

and its still enough using int (?)

1762 + (1762 - 1401) = 2123

2123 + (2123 - 2019) = 2227

2227 + (2227 - 1748) = 2706

2706 - (3785 - 2706) = 1627

1627 - (3236 - 1627) = 18