What makes you fat? is it carbs or sugar?

Comsuming XS calorie: Essentially consuming more calories than you burn results in weight gain. Body fat can be considered how body stores unused calories. Both carbs & sugars are high calorie foods.Some people burn fewer calories for same amout of activity than others like difference in fuel consupmtion by hybrid & non-hybrid cars.Thus message is count your calories & consume both carbs & sugar in moderation & xs->fat.