$10 = H * W / 2
$11 = 0
$15 = H * W
$16 = 0
$100 = 0
$101 = 0
while ($11 < $10)
  $20 = $11 / W
  $21 = $11 % W
  $20 = $20 + 1
  $21 = $21 + 1
  $100 = $100 + A[$20, $21]
  $101 = $101 + B[$20, $21]
end
if ($100 != $101)
  $15 = $10
  $10 = ($16 + $10) / 2
end
if ($100 == $101)
  $16 = $10
  $10 = ($15 + $10) / 2
end
$100 = 0
$101 = 0
while ($11 < $10)
  $20 = $11 / W
  $21 = $11 % W
  $20 = $20 + 1
  $21 = $21 + 1
  $100 = $100 + A[$20, $21]
  $101 = $101 + B[$20, $21]
end
if ($100 != $101)
  $15 = $10
  $10 = ($16 + $10) / 2
end
if ($100 == $101)
  $16 = $10
  $10 = ($15 + $10) / 2
end
$100 = 0
$101 = 0
while ($11 < $10)
  $20 = $11 / W
  $21 = $11 % W
  $20 = $20 + 1
  $21 = $21 + 1
  $100 = $100 + A[$20, $21]
  $101 = $101 + B[$20, $21]
end
if ($100 != $101)
  $15 = $10
  $10 = ($16 + $10) / 2
end
if ($100 == $101)
  $16 = $10
  $10 = ($15 + $10) / 2
end
$100 = 0
$101 = 0
while ($11 < $10)
  $20 = $11 / W
  $21 = $11 % W
  $20 = $20 + 1
  $21 = $21 + 1
  $100 = $100 + A[$20, $21]
  $101 = $101 + B[$20, $21]
end
if ($100 != $101)
  $15 = $10
  $10 = ($16 + $10) / 2
end
if ($100 == $101)
  $16 = $10
  $10 = ($15 + $10) / 2
end
$100 = 0
$101 = 0
while ($11 < $10)
  $20 = $11 / W
  $21 = $11 % W
  $20 = $20 + 1
  $21 = $21 + 1
  $100 = $100 + A[$20, $21]
  $101 = $101 + B[$20, $21]
end
if ($100 != $101)
  $15 = $10
  $10 = ($16 + $10) / 2
end
if ($100 == $101)
  $16 = $10
  $10 = ($15 + $10) / 2
end
$1 = 1 + $16 / W
$2 = 1 + $16 % W
return($1,$2)