from math import gcd
l=int(input())
c=0
for i in range(2,int(l**0.5)+1):
    for j in range(1,i):
        if gcd(i**2+j**2,gcd(i**2-j**2,2*i*j))==1:
            if 8*(i*(i+j))<=l:
                c+=1
print(c)