Wash the potatoes thoroughly, peel them, and cut into appropriate sizes.
Add salt to boiling water and cook the potatoes until they are fluffy.
Drain the boiled potatoes in a sieve and mash them.
Slice carrot and cucumber thinly, lightly salt them, and squeeze out excess moisture.
Peel and finely chop the boiled eggs.
Add carrots, cucumber, eggs, mayonnaise, salt, and pepper to the potatoes and mix.
Serve on a plate to finish.