<?php
// your code goes here
function gmp_convert($num, $base_a, $base_b)
{
}
$test = "10071C2";
$testb=gmp_convert($test, 16, 2);
echo $testb;
PD9waHAKCi8vIHlvdXIgY29kZSBnb2VzIGhlcmUKZnVuY3Rpb24gZ21wX2NvbnZlcnQoJG51bSwgJGJhc2VfYSwgJGJhc2VfYikKewogICAgICAgIHJldHVybiBnbXBfc3RydmFsICggZ21wX2luaXQoJG51bSwgJGJhc2VfYSksICRiYXNlX2IgKTsKfQokdGVzdCA9ICIxMDA3MUMyIjsKJHRlc3RiPWdtcF9jb252ZXJ0KCR0ZXN0LCAxNiwgMik7CmVjaG8gJHRlc3RiOw==