from __future__ import annotations
from typing import overload


myint = int


def sum(x: myint, y: myint) -> myint:
    """docstring"""
    return x + y


@overload
def mult(x: myint, y: myint) -> myint:
    ...


@overload
def mult(x: float, y: float) -> float:
    ...


def mult(x, y):
    """docstring"""
    return x, y