$1=H*W
$5=($0+$1)/2
while($3<$5)
  $2=$2+100+A[$3/W+1,$3%W+1]-B[$3/W+1,$3%W+1]
  $3=$3+1
  $4=$4+100
end
if($2==$4)
  $0=$5
end
if($2!=$4)
  $1=$5
end
$3=$0
$5=($0+$1)/2
while($3<$5)
  $6=$6+100+A[$3/W+1,$3%W+1]-B[$3/W+1,$3%W+1]
  $3=$3+1
  $7=$7+100
end
if($6==$7)
  $0=$5
end
if($6!=$7)
  $1=$5
end
$3=$0
$5=($0+$1)/2
while($3<$5)
  $8=$8+100+A[$3/W+1,$3%W+1]-B[$3/W+1,$3%W+1]
  $3=$3+1
  $9=$9+100
end
if($8==$9)
  $0=$5
end
if($9!=$9)
  $1=$5
end
$3=$0
$5=($0+$1)/2
while($3<$5)
  $10=$10+100+A[$3/W+1,$3%W+1]-B[$3/W+1,$3%W+1]
  $3=$3+1
  $11=$11+100
end
if($10==$11)
  $0=$5
end
if($10!=$11)
  $1=$5
end
$3=$0
$5=($0+$1)/2
while($3<$5)
  $12=$12+100+A[$3/W+1,$3%W+1]-B[$3/W+1,$3%W+1]
  $3=$3+1
  $13=$13+100
end
if($12==$13)
  $0=$5
end
if($12!=$13)
  $1=$5
end
$3=$0
$5=($0+$1)/2
while($3<$5)
  $14=$14+100+A[$3/W+1,$3%W+1]-B[$3/W+1,$3%W+1]
  $3=$3+1
  $15=$15+100
end
if($14==$15)
  $0=$5
end
if($14!=$15)
  $1=$5
end
if($0==$1)
  $1=$0+1
end
$3=$0
$5=($0+$1)/2
while($3<$5)
  $16=$16+100+A[$3/W+1,$3%W+1]-B[$3/W+1,$3%W+1]
  $3=$3+1
  $17=$17+100
end
if($16==$17)
  $0=$5
end
if($16!=$17)
  $1=$5
end
return(($0+1)/W+1,($0+1)%W+1)