n=int(input())
p=[0,0]+[1]*(n-1)
for i in range(2,n):
 p[i*2::i]=[0]*(len(p[i*2::i]))
q=[i for i in range(n+1)if p[i]]
def f(x,l,c):
 if c==4:
  return 1
 s=0
 for v in q:
  if v*x>n or v>=l:break
  s+=f(x*v,v,c+1)
 return s
print(f(1,n,0))