Carbonated drink COCA COLA ZERO, 500 ml or Carbonated drink COCA COLA, 200 ml?

Energy 1 kcal 42 kcal
Fat 0 g 0 g
of which saturates 0 g 0 g
Carbohydrate 0 g 10,6 g
of which sugars 0 g 10,6 g
Protein 0 g 0 g
Salt 1 g 0 g

Figures from the product labels. Green is the better value.

Carbonated drink COCA COLA ZERO, 500 ml
A
Carbonated drink COCA COLA ZERO, 500 ml
1 kcal
Sat. fat 0 g Sugars 0 g
500 ml
Carbonated drink COCA COLA, 200 ml
E
Carbonated drink COCA COLA, 200 ml
42 kcal Fat 0 g Carbs 10,6 g Prot. 0 g
Sat. fat 0 g Sugars 10,6 g
200 ml