Cucumber, red radish and shallots salad

1 big cucumber
4 red radish
2 small shallots
splash olive oil (3 tbsp.)
splash vinegar (2 -3 tbsp.)
black pepper (1 tsp. freshly grated)
salt (1tsp.)

Slice the cucumber, red radish and shallots into very thin slices. In a separate bowl mix well vinegar, oil, salt and paper. Toss everything together, put in refrigerator for 10 minutes.