import sys input = lambda :sys.stdin.readline()[:-1] ni = lambda :int(input()) na = lambda :list(map(int,input().split())) sys.setrecursionlimit(10**7) yes = lambda :print("yes");Yes = lambda :print("Yes") no = lambda :print("no");No = lambda :print("No") ####################################################################### n = ni() ans = 0 for i in range(1,n): y1 = int((n**2-i**2)**0.5) for j in range(-2,3): if y1+j<=0: continue if (y1+j)*(y1+j)+i*i==n*n: ans+=1 print(ans)