import re
import sys
 
re_class = re.compile('([:, ]+((((virtual|public|private)\s)+(?P<class>[A-Za-z0-9]+))))')
re_nested_class = re.compile('class\s+(?P<nested_class>[A-Za-z0-9_]+)')
 
for line in sys.stdin:
    m = re_nested_class.search(line)
    if m:
        cls = m.group('nested_class')
        classes = []
        for m in re_class.finditer(line):
            classes.append(m.group('class'))
        if classes:
            print('Class {0} inherits {1}'.format(cls, ', '.join(classes)))
        else:
            print('Class {0} doesn\'t inherit any class'.format(cls))

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class Parent {};
class Child: virtual public Parent {};
class Child2: virtual public Parent {};
class Child3: virtual public Child, virtual public Child2, virtual public Child4 {};
class Child4: virtual public Child2 {};
class Child5: virtual public Child {};
class Child6: virtual public Parent, virtual public Child3 {};
class Child7: virtual public Child3, virtual public Child {};