<?php

function countletters($num) {
	$a[] = $num%10;
	$b = (int)($num/10)%10; //tens!!!
	$a[] = (int)($num/100)%10;
	$a[] = (int)($num/1000);
	$count = 0;

	$count += $a[1] > 0 ? 7 : 0;
	$count += $a[2] > 0 ? 8 : 0;

	if($a[1]>0 && ($b>0 || $a[0]>0)) { $count += 3; }

	foreach($a as $val) {
		if($val==1) { $count += 3; }
		elseif($val==2) { $count += 3; }
		elseif($val==3) { $count += 5; }
		elseif($val==4) { $count += 4; }
		elseif($val==5) { $count += 4; }
		elseif($val==6) { $count += 3; }
		elseif($val==7) { $count += 5; }
		elseif($val==8) { $count += 5; }
		elseif($val==9) { $count += 4; }
	}

	$addl=0;
	if($b==1 && $a[0]>0) { $addl = 1; }
	elseif($b==1) { $count += 3; }
	elseif($b==2) { $count += 6; }
	elseif($b==3) { $count += 6; }
	elseif($b==4) { $count += 5; }
	elseif($b==5) { $count += 5; }
	elseif($b==6) { $count += 5; }
	elseif($b==7) { $count += 7; }
	elseif($b==8) { $count += 6; }
	elseif($b==9) { $count += 6; }

	if($addl) {
		if($a[0]==1) { $count += 3; }
		elseif($a[0]==2) { $count += 3; }
		elseif($a[0]==3) { $count += 3; }
		elseif($a[0]==4) { $count += 4; }
		elseif($a[0]==5) { $count += 3; }
		elseif($a[0]==6) { $count += 4; }
		elseif($a[0]==7) { $count += 4; }
		elseif($a[0]==8) { $count += 3; }
		elseif($a[0]==9) { $count += 4; }
	}

	return $count;
}

$i=1000;
$sum=0;

while ($i>0) {
	$sum += countletters($i);
	$i--;
}

echo $sum;

?>