my $stop = str2time prompt 'Stop time' or die "Cannot parse time\n";
db->insert(contests => {id => $id, name => $name, owner => $owner, start => $start, stop => $stop});
my $stop = str2time prompt 'Stop time' or die "Cannot parse time\n";
db->insert(contests => {id => $id, name => $name, owner => $owner, start => $start, stop => $stop});