s = int(input())
s = s * 10
b = 0
for i in range (1, s // 8):
   for m in range (1, s //2):
       for n in range (1, s):
         if i * 8 + 2 * m + n * 1 == s and i + m + n > 30:
            b += 1
print(b)

/**************************************************************
	Problem: 1024
	User: admin
	Language: Python
	Result: Accepted
	Time:158 ms
	Memory:34480 kb
****************************************************************/