use strict;
use warnings;

use utf8;

my $cmp_str = '…';
my $instr = '';
my $max_count = 0;

$instr = <STDIN>;

if( $instr ne '' ) {
    while ($instr =~ m/($cmp_str+)/g ) {
        my $str = $1;
        my $count = 0;
        $count++ while($str =~ m/$cmp_str/g);
        $max_count = $count if($max_count < $count);
    }
}

print "$max_count";