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)

while line = gets do
    
    if line == nil
        break
    end
    
    n = line.to_i
    
    count = 0
    
    for a in 0..9 do
        for b in 0..9 do
            for c in 0..9 do
                for d in 0..9 do
                    count += 1 if a + b + c + d == n
                end
            end
        end
    end 
    puts count
end