Graphics(Slides)

# A -ci

x,y = map(int,input().split())

if (x*x + y*y) >= 4 and y <= x and x <= 2:

    print("daxxildir")

else:

    print("daxil deyil")

# A 2-ci

import math

x,y = map(int,input().split())

if y <= math.sin(x) and 0<= y <= 0.5 and x >= 0:

    print("daxildir")

else:

    print("daxil deyil")

# B 1-ci

x,y = map(int,input().split())

if (x*x + y*y) <= 1 and x <= 0 or (x*x + y*y) <= 1 and y >= x and x >= 0:

    print("daxildir")

else:

    print("daxil deyil")

# B 2 - ci



x,y = map(int,input().split())

if y >= (2-x) and y <= x*x and x < 0\

   y <= (2 - x) and y <= x*x and x >=0 and y >= 0:

    print("daxildir")

else:

    print("daxil deyil")

# B 3-cu



x,y = map(int,input().split())

if (x*x + y*y) <= 1 and x >= 0 or (x*x + y*y) >= 1 and y <=1 and y >= (x- 1):

    print("daxildir")

else:

    print("daxil deyil")

# C 1-ci



x,y = map(int,input().split())

if y >+ (2-x) and y >= x*x and x<0\

   or y >= x*x and y <= (4 - x*x) and x <= 0 and y >= 0\

   or y <= x*x and y <= (2-x) and x >= 0 and y >= 0\

   or y >= x*x and y >= (4-x*x) and x >= 0 and y >= 0:

    print("daxildir")

else:

    print("daxil deyil")