#!/usr/bin/perl -w
use strict;
use List::Util qw(max);
use List::Util qw(min);

my $input0 = $ARGV[0];
open (DATA,$input0) || die "cannot open input0";

my %gene_hash;
while(<DATA>)
{
    chomp;
    my ($chr, $start, $end, $gene, $ex) = split(/\t/, $_);
    my $gene_key = $chr.":".$gene;
    
    push( @{ $gene_hash{$gene_key} }, $start ); 
    
    push( @{ $gene_hash{$gene_key} }, $end ); 
   
    push( @{ $gene_hash{$gene_key} }, $ex ); 

}



foreach my $key (keys %gene_hash)
{
    my ($c, $g) = split(/\:/, $key ); 
    print "$c\t$g\t";


   my $Low=min( @ {$gene_hash{$key} } );   
  
   my $High=max( @ {$gene_hash{$key} } );
  
   my $High_ex=max( @ {$gene_hash{$key} } );

   

	
	{
	
        print "$Low\t$High\t$High_ex";
    }
    
    print "\n";
}

__DATA__