classic potato curry

Ingredients:
1. potato 2- 3 pieces, cut into small pieces
2. 1 glass of water
3. 1/2 tsp salt
4. 2 full spoon tuna fish
3. 1 tsp chicken curry
4. 1 tsp fish curry
5. 1/2  tsp tomato paste
6. 1 tsp tomato sauce
7. 1 tsp chilli sauce