# your code goes here
print('x', 'y', 'z', 'w', 'result')
for x in range(2):
for y in range(2):
for z in range(2):
for w in range(2):
if x == 0:
x = 1
else:
x = 0
if x >= w :
k = 1
else:
k = 0
if z <= y:
m = 1
else:
m = 0
if k == m :
l = 1
else:
l = 0
if l*(y + w) == 1:
print(x, y, z, w, l*(y + w))
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