# -*- coding:utf-8 -*-
def solve(n,i):
	temp = str(n)
	num = 0
	for k in temp:
		num += int(k)
	if i == num:
		return 1
	else:
		return 0

if __name__ == "__main__":
	num1 = [4,6,9,11]
	num2 = [1,3,5,7,8,10,12]
	ans = 0
	for i in xrange(1,13):
		if i in num1:
			for j in xrange(1,31):
				ans += solve(j,i)
		elif i in num2:
			for j in xrange(1,32):
				ans += solve(j,i)
		else:
			for j in xrange(1,29):
				ans += solve(j,i)
	print ans