Graphics2

#1
x,y = map(float,input().split())
if y >= x**2 and y <=1 or\
y <= -x**2 and y >2 -1:
    print("daxildir")
else:
    print("daxil deyil")
#2
x,y = map(float,input().split())
if y >= 1/x and y <=x or\
y <= 1/x and y >= (-x -4):
    print("daxildir")
else:
    print("daxil deyil")
#3
x,y = map(float,input().split())
if y <=((x+1) **2 + y ** 2) or\
y <= ((x-1)**2 + y ** 2) or\
y >=-1 and y<= 1 and x>=-1 and x<= 1:
    print("daxildir")
else:
    print("daxil deyil")
#4
x,y = map(float,input().split())
r1,r2 = map(float,input().split())
if (x**2 + y**2) <= r1 **2 and x<=0 and y>=0 or\
(x**2 + y ** 2) >= r1 **2 and (x **2 + y ** 2) <= r2 **2 and y<=0 and x >= 0:
    print("daxildir")
else:
    print("daxil deyil")

#5
x,y=map(float,input().split())
if y<=x and y>=(x-2)**2-3 and y>=0 or y<=-x and y>=(x-2)**2-3 and y<=0:
	print("daxil")
else:
	print("deyil")