#!/usr/bin/python3

def main():
	x=float(input("height:"))


	if(x<=1.50):
		print("you died")
	elif (1.50<x<=1.60):
		print("gnome")
	elif(1.60<x<=1.70):
		print("not enough")
	else:
		print("orc")

if __name__=="__main__":
	main()