use strict;
use locale;

$/="\n\n";

while ( my $paragraphe = <STDIN> ){
    $paragraphe =~ s/\n/ /g;
    $paragraphe =~ s/  +/ /g;
    
    while ( $paragraphe =~ 
      /\pL+ (de |d' ?|du )(le |la |les |l' ?)?(\pL+)/ ) {
	print $&, "\n";
	$paragraphe = $3.$';
    }
}