There are
students in your school conveniently labelled from
to
. You are person
. There are
classes numbered
to
, and student
takes
different classes. It is guaranteed that every student takes at least one class, although some classes may not have any students.
Two students are able to communicate if and only if they share a class. Additionally, some pairs of people get along more easily than others. Each student has a friend value
. Then it costs
for student
to deliver a message to student
where
is fixed for any two students who are able to directly communicate with each other.
The cost required to deliver a message to student
is the sum of the costs from each direct communication.
For each
, you would like to know the minimum cost required for you, student
, to deliver a message to student
.
Constraints
For all subtasks:


Subtask 1 [20%]


Subtask 2 [30%]



Subtask 3 [50%]



Input Specification
The first line contains three space-separated integers,
,
, and
.
The next line contains
space-separated integers, the
of which is
.
The following
lines contain
space-separated integers. The first number is
and the indices of the
classes which student
is taking follow.
Output Specification
Output
lines, each containing a single integer. On the
line, write the minimum cost required to communicate with student
. If it is not possible to communicate with student
, print
. Answers are guaranteed to fit within a 64-bit integer.
Sample Input
Copy
9 10 7
18 5 6 11 17 19 2 14 5
2 1 7
5 5 2 3 1 10
1 5
2 1 2
2 7 6
1 4
2 3 6
1 10
1 10
Sample Output
Copy
0
20
28
14
8
-1
30
36
27
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