You are given an integer list. Then you are given another integer list which shows the links between the numbers. The numbers in the first list show the original list. The second list shows the links. For example, according to the example on the left, the first number is the 5^th number. Then, 5^th number is linked to the second number, etc.

Question: Write a program that is going to get information for n numbers and prints the sum of p^th and q^th visited numbers in the linked list.

Input specification
In the first line you will be given three integers:

• the number of numbers (n) and
• order of the numbers (p and q) we are searching for

Output specification:
Show just one number: sum of p^th and q^th numbers.

Explanation: The numbers start with

1. the 5^th number: 2
2. The fifth number is linked to the second number: 5
3. The second number is linked to the 4^th number: 6 (q^th visited number)
4. And it’s linked to the 3^rd number: 8 (p^th visited number)