Happy Days(1991)

Original title: Счастливые дни

After being released from a St. Petersburg hospital with a head injury, a nameless protagonist wanders through a desolate, crumbling city in search of a place to stay. As he struggles to reconstruct his identity and find a sense of belonging, he roams the bleak streets and is befriended by an eccentric beggar with a donkey and a slightly deranged prostitute.