Impressive tree spotting skills, Serioza. It is a cherry tree (not sure if it is wild or otherwise). Cherries are just ripening now...but the birds will get them befoe I do!
The branch on the left is a plum tree.
Both are bearing fruit this year. Neither did last year.
Wild cherry tree has small fruits . Make your garden attractive for the local band of cats to keep birds away. Some trees bearing fruits once in two years , it depends on spieces. I learned gardening from granny