Passing Marks

In a class of $N$ students, a class test was held. The $i^{th}$ student scored $A_i$ marks. It is also known that the scores of all students were **distinct**. A student passes the test if their score is **strictly greater** than the passing mark. Given that exactly $X$ students pass in the test, find the **maximum** value of the passing mark of the test. ### Input - The first line of input wil