<?php
$weight = 500;
$cost=0;
  echo "1:0,";
for ($i=0; $i<=200; $i++)
{
$cost = $i * 9 + 19;
  echo $weight;
  echo ":";
  echo $cost;
  echo ",";
  $weight=$weight+500;
}
echo "1000000:10000"
?>