0.2 Who's Missing ?

Score: 10pts

Time Limit: 2.00 sec

You are given all distinct positive numbers between \(1, 2, 3, ā¦ , n.\) Your task is to find the missing number

Constraints

\( 2 \leq n \leq 2 * 10^{4} \)

Input Format

First line contains the size of the array ānā

Second line contains n ā 1 numbers. Each number is distinct and in between 1 to n (inclusive)

Second line contains n ā 1 numbers. Each number is distinct and in between 1 to n (inclusive)

Output Format

Print the missing number

Example 1

Input:

7

7 6 1 2 4 3

Output:

5

Explanation:

5 is missing from that sequence

7

7 6 1 2 4 3

Output:

5

Explanation:

5 is missing from that sequence