$1 = 1
$2 = 1


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end  


if(A[$1,$2] != B[$1,$2])
  return($1,$2)
end  


$2 = $2 + 1
if($2 > W)
  $1 = $1 + 1
  $2 = 1
end