# use strict;
# use warnings;

chomp(my $S = <>);
my $n = 1;
if (length($S) > 3) {
    $S =~ /^(c+)(w+)$/;
    my $c = length($1) - 1;
    my $w = length($2);
    $n = (sort({$a <=> $b} ($c, $w)))[0]
}
print($n, "\n");