english-26 The Nearest Number

描述

Given a sequence of N number and K. Find the nearest number X in the sequence that the absolute value of (X minus K) is minimum.

输入

First line: two positive integers N (N <= 100) and K (K <= 100000).Second line: N positive integers (<= 100000).

输出

One integer X.

样例输入

1
24 5
2 4 7 8

样例输出

14

限制

• 时间限制：1000ms
• 内存限制：128MB