class TreeNode(object):
    def __init__(self,val,parent):
        self.val = val
        self.child = []
        self.parent = parent

def SetPre(pre,s):
    pre=pre.replace('-'," ")
    pre=pre.replace('`'," ")
    return pre+s

def PrintTree(root,pree):
    if root.parent == -1:
        print(root.val)
    else:
        print(pree+" "+root.val)
    if root.child:
        root.child.sort(key = lambda x:x.val)
        for ind,child in enumerate(root.child):
            if ind != len(root.child)-1:
                pre = SetPre(pree,"|--")
                PrintTree(child,pre)
            else:
                pre = SetPre(pree,"`--")
                PrintTree(child,pre)
n = int(raw_input())
nodes = []
for i in xrange(n):
    fileParent = raw_input().split()
    node = TreeNode(fileParent[0],int(fileParent[1]))
    nodes.append(node)
    if int(fileParent[1]) != -1:
        nodes[int(fileParent[1])].child.append(node)
PrintTree(nodes[0],"")