beak1=input("is the beak short?")

if beak1=="yes":
        print("BIRD")
else:
        print("NOT A BIRD")
    colour=input("is the colour black?")
    if colour=="yes":
        print("BIRD")
   else:
        print("NOT A BIRD")
else:
    smart=input("is this bird smart?")
    if smart=="yes":
        print("BIRD")
   else:
        print("NOT A BIRD")
else:
    beak2=input("is the beak straight?")
    if beak2=="yes":
        print("BIRD")
   else:
        print("NOT A BIRD")
else:
    size=input("is this bird medium sized?")
    if size=="yes":
        print("BIRD")
   else:
        print("NOT A BIRD?")
else:
    solid=input("is the bird one solid colour?")
    if solid=="yes":
        print("BIRD")
   else:
        print("NOT A BIRD")
else:
    place=input("are there a lot of these bird here in BC?")
    if place=="yes":
        print("BIRD")
   else:
        print("NOT A BIRD")
else:
    groups=input("do these birds travel in groups?")
    if groups=="yes":
        print("BIRD")
    else:
        print("NOT A BIRD")