Problem:
Sum of 4 Integers

Write a program which reads an integer n and identifies the number of combinations of a, b, c and d (0 ≤ a, b, c, d ≤ 9) which meet the following equality:

a + b + c + d = n

For example, for n = 35, we have 4 different combinations of (a, b, c, d): (8, 9, 9, 9), (9, 8, 9, 9), (9, 9, 8, 9), and (9, 9, 9, 8).

Input

The input consists of several datasets. Each dataset consists of n (1 ≤ n ≤ 50) in a line. The number of datasets is less than or equal to 50.

Output

Print the number of combination in a line.

Sample Input

35
1

Output for the Sample Input

4
4

Solution in Ruby (judge verdict: Accepted)

# -*- coding: utf-8 -*-


while n = gets

  n = n.chomp.to_i
  ans = 0

  i = 0
  while i<=9
    j = 0
    while j<=9
      k = 0
      while k<=9
        l = 0
        while l<=9
          ans+=1 if i+j+k+l == n
          l+=1
        end
        k+=1
      end
      j+=1
    end
    i+=1
  end

  puts ans

end