#!/usr/bin/perl

$_="4910979597939794929096919691496915979496989695979292909590969597929691292909498969196939691196959792"; 
(@japh)=split(/9/,$_);reset($_);while($j<@japh-1){$_=chr($japh[$j]*((-ord("E")+ord("T"))+1)+$japh[$j+1]);print;$j+=2;}