def sorted3(a, b, c):
if c < b: c, b = b, c # swap
if c < a: c, a = a, c
if b < a: b, a = a, b
return a, b, c
input_box = lambda n=3: sorted3(*[int(input()) for _ in range(n)])
a, b = input_box(), input_box()
if a == b:
print('equal')
elif all(x <= y for x, y in zip(a, b)):
print('a inside b')
elif all(x <= y for x, y in zip(b, a)):
print('b inside a')
else:
print('incompatible')
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