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You are given a sorted array of numbers, and followed by number of queries, for each query if the queried number is present in the array print its position, else print -1.

Input

First line contains N Q, number of elements in the array and number of queries to follow.

Second line contains N numbers, the elements of the array. Each number will be -10^9 <= ai <= 10^9, 0 < N <= 10^5, 0 < Q <= 5*10^5

Output

For each element in the query, print the elements 0 based location of its first occurence, if present, otherwise print -1.

Example

Input:
5 4
2 4 7 7 9
7
10
4
2

Output:
2
-1
1
0


Added by:jack(chakradarraju)
Date:2012-03-13
Time limit:1s
Source limit:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Languages:All
Resource:NITT Class