I = TypeVar('I', int32, int64)

class Vec:
    v: list[int32]
    def __init__(self, v: list[int32]):
        self.v = v

    def __add__(self, other: int32) -> Vec:
        return Vec([v + other for v in self.v])


def addI(a: I, b: I) -> I:
    return a + b