from dataclasses import dataclass
from typing import Iterable


@dataclass
class Poem:
    name: str
    author: str | list[str]
    body: str


def load_data() -> list[Poem]:
    raise NotImplementedError

def search_by_author(poems: list[Poem], author: str) -> list[Poem]:
    raise NotImplementedError

def get_sorted_poems(poems: list[Poem]) -> list[Poem]:
    raise NotImplementedError

def print_poems(poems: Iterable[Poem]) -> None:
    raise NotImplementedError

poems = load_data()
author: str = input()
poems = search_by_author(poems, author)
poems = get_sorted_poems(poems)
print_poems(poems)