import re
s="$$%%%%"
pat=r'\w+'
if re.search(pat,s):
    mi_no_find = re.finditer(pat,s)   # not matching.
    count = 0
    if len(mi_no_find) > 0:
        for m in mi_no_find:
            print(m.group())
            count += 1
        print(count)
else:
    print("-1")