intersections in total ( cannot enter closed intersections). The city of Toronto has a total of
intersections, with a total of
roads between them.
He starts at intersection , and the school is at intersection
.
For every intersection YES
, otherwise print NO
.
It is guaranteed that initially, he can visit all the intersections.
Note that intersections are not roads.
Input Specifications
The first line of input will contain the integer
,
and
, followed by
pairs of integers
a b
, meaning that there is a bidirectional road between and
.
There will then be integers
, meaning that the
intersection has been blocked off. Note that
is not distinct.
Queries are persistent.
Output Specifications
Output YES
or NO
for each query.
Sample Input
3 3 2
1 2
2 3
1 3
2
3
Sample Output
YES
NO
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