while (<ISH>){
my $a;
my $b = '#';
my $c;
my $x;
  if (m/DEV_STAGE\t(.*?)\n/g)        {$a= $1; print OUT "a is: ",$a}
  elsif (m/PREDICTED_GENE\t(.*?)\n/g){$b =$1; print OUT "b is: ",$b}
  elsif (m/\tSTAINED_REGION:\t(.*?)\tSTAINED_MOL:\t(.*?)\n/g) {
             $c = $1; print OUT "c is: ",$c;
             $x = $2; print OUT "x is: ",$x;
             }   
  else {}
}