from functools import reduce

target = 21124

# 1 = 'one'
# 2 = 'two'
# 3 = 'three'
# 4 = 'four'
# 5 = 'five'
# 6 = 'sixe'
# 7 = 'seven'
# 8 = 'eight'
# 9 = 'nine'
# 10 = 'ten'

nbrs = [
    '',
    'one',
    'two',
    'three',
    'four',
    'five',
    'six',
    'seven',
    'eight',
    'nine',
    'ten',
    'eleven',
    'twelve',
    'thirteen',
    'fourteen',
    'fifteen',
    'sixteen',
    'seventeen',
    'eighteen',
    'nineteen',
]

decades = [
    None,
    None,
    'twenty',
    'thirty',
    'forty',
    'fifty',
    'sixty',
    'seventy',
    'eighty',
    'ninety',
]

loads = [
    'hundred',
    'thousand',
]

def number_to_string(nbr):
    thousand = nbr // 1000
    hundred = (nbr % 1000) // 100
    under_hundred = nbr % 100

    string = ''

    if (thousand > 0):
        string += nbrs[thousand] + 'thousand'

    if (hundred > 0):
        string += nbrs[hundred] + 'hundred'

    end_string = ''

    if (under_hundred < 20):
        end_string += nbrs[under_hundred]
    else:
        decade = under_hundred // 10
        single = nbr % 10

        end_string += decades[decade] + nbrs[single]

    if (end_string):
        if (string):
            string += 'and'

        string += end_string


    return string 

def count_len(result, nbr):
    string = number_to_string(nbr)

    return result + len(string)

result = reduce(count_len, list(range(1, 1001)), 0)

print(result)
print(result == target)