def BS (x, k):
	l = x
	r = 10 * x
	while r - l > 1:
		m = (r + l) // 2
		if m * k >= 10 * x:
			r = m
		else:
		 l = m
	return l


n = int (input())
if n == 1:
	print (14)
	exit(0)
ans = 0
x = pow (10, n - 1)
prev = x - 1
for i in range (8, 0, -1):
	k = BS (x, i)
	print (k, prev)
	cnt = k - prev
	if i == 8:
		ans += cnt * 5
	elif i == 5:
		ans += cnt * 4
	elif i == 4:
		ans += cnt * 3
	elif i == 2:
		ans += cnt * 2
	elif i == 1:
		ans += cnt
	else:
	 continue
	prev = k
	print (ans)
print (ans)