import sys
from math import gcd
sys.setrecursionlimit(10**7)
def I(): return int(sys.stdin.readline().rstrip())
def MI(): return map(int,sys.stdin.readline().rstrip().split())
def LI(): return list(map(int,sys.stdin.readline().rstrip().split()))
def LI2(): return list(map(int,sys.stdin.readline().rstrip()))
def S(): return sys.stdin.readline().rstrip()
def LS(): return list(sys.stdin.readline().rstrip().split())
def LS2(): return list(sys.stdin.readline().rstrip())


L = I()

ANS = set()
for m in range(2,int((L/8)**.5)+1):
    for n in range(1,m):
        a = m**2-n**2
        b = 2*m*n
        c = m**2+n**2
        if 4*(a+b+c) <= L and gcd(a,gcd(b,c)) == 1:
            if a < b:
                ANS.add((a,b,c))
            else:
                ANS.add((b,a,c))

print(len(ANS))