Description

A positive integer is called a "7-related number" if it is divisible by 7 or if any digit in its decimal representation is 7. Now, find the sum of the squares of all positive integers less than or equal to n (n < 100) that are not 7-related.

Input Format

The input consists of one line containing a positive integer n (n < 100).

Output Format

Output one line containing an integer, which is the sum of the squares of all positive integers less than or equal to n that are not 7-related.

21

2336

## Source

CodesOnline