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First Index And Last Index

1. You are given a number n, representing the size of array a. 2. You are given n numbers, representing elements of array a. Asssumption - Array is sorted. Array may have duplicate values.

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First Index And Last Index

easy

1. You are given a number n, representing the size of array a. 2. You are given n numbers, representing elements of array a. Asssumption - Array is sorted. Array may have duplicate values.

Constraints

1 <= n <= 1000 1 <= n1, n2, .. n elements <= 100 1 <= d <= 100

Format

Input

A number n n1 n2 .. n number of elements A number d

Output

A number representing first index A number representing last index

Example

Sample Input

15 1 5 10 15 22 33 33 33 33 33 40 42 55 66 77 33

Sample Output

5 9

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