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.