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while (<DATA>)
while ($_ = <DATA>)
while (defined($_ = <DATA>))
my($regex) = ($_ =~ /This is/g)
($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord }map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,