#1593 Perfect Distance

from math import sqrt

n=int(input())

n2=pow(n,2)
cnt=0
for i in range(1,int(sqrt(n2/2))+1):
    kCand=n2-pow(i,2)
    if pow(round(sqrt(kCand)),2)==kCand:
        if pow(i,2)!=kCand:
            cnt+=2
        else:
            cnt+=1
print(cnt)