class FindAnswer
def makeDatabase
 database = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 10.times { |a|
  10.times { |b|
   10.times { |c|
   break if a+b+c > 18
    10.times { |d|
     break if  a+b+c+d > 18
     database[a+b+c+d] += 1
    }
   }
  }
 }
 database
end

def orORor(num)
 num > 18 ? num = 36 - num : num
end

end

aa = FindAnswer.new
table = aa.makeDatabase

while input = STDIN.gets.to_i
 if input >36
  puts 0
  else
  get = aa.orORor(input)
  puts table[get]
 end
end