<?php
$a = 'Desenvolvimento Web';
$b = 'SEO(Search Engine Optimization)';
print $a . ',' . $b;
PD9waHAKCiRhID0gJ0Rlc2Vudm9sdmltZW50byBXZWInOwokYiA9ICdTRU8oU2VhcmNoIEVuZ2luZSBPcHRpbWl6YXRpb24pJzsKbGlzdCgkYSwgJGIpID0gYXJyYXkoJGIsICRhKTsKcHJpbnQgJGEgLiAnLCcgLiAkYjs=