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# If the numbers 1 to 5 are written out in words: one, two, three, four, five, then there are 3 + 3 + 5 + 4 + 4 = 19 letters used in total.
#
# If all the numbers from 1 to 1000 (one thousand) inclusive were written out in words, how many letters would be used?
#
# NOTE: Do not count spaces or hyphens. For example, 342 (three hundred and forty-two) contains 23 letters and 115 (one hundred and fifteen) contains 20 letters. The use of "and" when writing out numbers is in compliance with British usage.

oneToNine = ["one","two","three","four","five","six","seven","eight","nine"]
elevenToN = ["eleven","twelve","thirteen","fourteen","fifteen","sixteen","seventeen","eighteen","nineteen"]
tens=['twenty',"thirty","forty","fifty","sixty","seventy","eighty","ninety"]

to99=0
one100to999=0

# one to nine
for i in oneToNine:
	to99 += len(i)

#ten
to99 += 3

# eleven to nineteen
for i in elevenToN:
	to99 += len(i)

# twenty to ninety nine	
for i in tens:
	to99 += len(i)
	for j in oneToNine:
		to99 += len(i)
		to99 += len(j)

# 100 to 999
for i in oneToNine:
	one100to999 += (len(i) + len("hundred"))*100 + len("and")*99 + to99

total = to99 + one100to999 + len("onethousand")

print(total)



# If the numbers 1 to 5 are written out in words: one, two, three, four, five, then there are 3 + 3 + 5 + 4 + 4 = 19 letters used in total.
#
# If all the numbers from 1 to 1000 (one thousand) inclusive were written out in words, how many letters would be used?
#
# NOTE: Do not count spaces or hyphens. For example, 342 (three hundred and forty-two) contains 23 letters and 115 (one hundred and fifteen) contains 20 letters. The use of "and" when writing out numbers is in compliance with British usage.

oneToNine = ["one","two","three","four","five","six","seven","eight","nine"]
elevenToN = ["eleven","twelve","thirteen","fourteen","fifteen","sixteen","seventeen","eighteen","nineteen"]
tens=['twenty',"thirty","forty","fifty","sixty","seventy","eighty","ninety"]

to99=0
one100to999=0

# one to nine
for i in oneToNine:
	to99 += len(i)

#ten
to99 += 3

# eleven to nineteen
for i in elevenToN:
	to99 += len(i)

# twenty to ninety nine	
for i in tens:
	to99 += len(i)
	for j in oneToNine:
		to99 += len(i)
		to99 += len(j)

# 100 to 999
for i in oneToNine:
	one100to999 += (len(i) + len("hundred"))*100 + len("and")*99 + to99

total = to99 + one100to999 + len("onethousand")

print(total)
# If the numbers 1 to 5 are written out in words: one, two, three, four, five, then there are 3 + 3 + 5 + 4 + 4 = 19 letters used in total. # # If all the numbers from 1 to 1000 (one thousand) inclusive were written out in words, how many letters would be used? # # NOTE: Do not count spaces or hyphens. For example, 342 (three hundred and forty-two) contains 23 letters and 115 (one hundred and fifteen) contains 20 letters. The use of "and" when writing out numbers is in compliance with British usage. # one to nine #ten # eleven to nineteen # twenty to ninety nine # 100 to 999