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EIEASY06 - Conditional maximum value

Given a list of N integers, find the largest number in which does not exceed the given K value.

Input

+ The first line contains two integers N and K

+ The second line contains N integers ai (-109 <ai <109)

Output

+ Output  the largest number, or -1 if there is no number meet the condition

Example

Input:
5 6
7 9 4 1 1

Output:
4
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Added by:Ha Minh Ngoc
Date:2015-01-28
Time limit:1s
Source limit:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Languages:CSHARP C++ 4.3.2 CPP CPP14 JAVA
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