n1 = ["", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
n2 = ["ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen", "seventeen", "eighteen", "nineteen"]
n3 = ["twenty", "thirty", "forty", "fifty", "sixty", "seventy", "eighty", "ninety"]
n4 = ["hundred"]
n5 = ["thousand"]

numbers = ""
for i in range(1, 1001):
	current = ""

	if (i % 10000) / 1000 > 0:
		current += n1[(i%10000)/1000] + n5[0]
		if i % 1000 > 0:
			current += "and"

	if (i % 1000) / 100 > 0:
		current += n1[(i%1000)/100] + n4[0]
		if i % 100 > 0:
			current += "and"

	if i % 100 <= 9:
		current += n1[i%10]
	elif i % 100 <= 19:
		current += n2[(i%10)-10]
	else:
		current += n3[(i%100)/10-2] + n1[i%10]

	numbers += current

print len(numbers)