Python14_XML

## Python
## XML


## Find the Score
import sys
import xml.etree.ElementTree as etree

# Option 1
def get_attr_number(node):
    score = 0
    for child in node.iter():
        score += len(child.attrib)
    return score

# # Option 2
# def get_attr_number(node):
#     score = 0
#     score += len(node.attrib)
#     for element in node:
#         score += get_attr_number(element)
#     return score

# # Option 3
# def get_attr_number(node):
#   score = 0
#   score += len(node.attrib)
#   if len(node)>1:
#     for i in node:
#         score += get_attr_number(i)
#   return score

if __name__ == '__main__':
    sys.stdin.readline()
    xml = sys.stdin.read()
    tree = etree.ElementTree(etree.fromstring(xml))
    root = tree.getroot()
    print(get_attr_number(root))


## XML2 - Find the Maximum Depth
import xml.etree.ElementTree as etree

# # Option 1
# maxdepth = 0
# def depth(elem, level):
#     global maxdepth
#     level += 1
#     maxdepth = max(maxdepth, level)
#     for child in elem:
#         depth(child, level)

# # Option 2
# maxdepth = 0
# arr = []
# def depth(elem, level):
#     global maxdepth
#     arr.append(level)   
#     for i in elem.getchildren():
#         depth(i, level+1)
#     maxdepth = max(arr)+1

# Option 3
maxdepth = 0
def depth(elem, level):
    global maxdepth
    i = 0
    while i >= 0:
        if elem.find("." + "/*" * i) is None:
            maxdepth = i-1
            break
        i += 1

if __name__ == '__main__':
    n = int(input())
    xml = ""
    for i in range(n):
        xml =  xml + input() + "\n"
    tree = etree.ElementTree(etree.fromstring(xml))
    depth(tree.getroot(), -1)
    print(maxdepth)


## end ##