#!/usr/bin/python
# -*- coding: utf-8 -*-

import math

x = input( u"x: ")
y = input( u"y: ")
k = input( u"k: ")
l = input( u"l: ")
R = math.sqrt(x*x + y*y)

D=4*k*k*l*l - 4*(k*k + 1)*(l*l - R*R)
if 0<=D :
  print u"npuHaDLezhit"
else :  
  print u"HenpuHaDLezhit"