def convert_length(mm):
    km = mm // 1000000
    mm %= 1000000
    m = mm // 1000
    mm %= 1000
    cm = mm // 10
    mm %= 10
    return f"{km} км {m} м {cm} см {mm} мм"

length_mm = 1012552
result = convert_length(length_mm)
print(result)