def build(choseong, joongseong, jongseong):
    """초성, 중성, 종성을 조합하여 완성형 한 글자를 만듦. 'choseong',
    'joongseong', 'jongseong' are offsets. For example, 'ㄱ' is 0, 'ㄲ' is 1,
    'ㄴ' is 2, and so on and so fourth."""
    code = int(((((choseong) * 21) + joongseong) * 28) + jongseong + 0xAC00)
    return chr(code)