a = gets(p).split("\n")
# p a

case a.size
when 1
  N = a[0].to_i
  if N == 0
    puts "Hello World!"
  else
    if N > 75
      p [*1..N].sum
    else
      (1..N).each{|i|
        s = ""
        s << "Fizz" if i % 3 == 0
        s << "Buzz" if i % 5 == 0
        puts s.empty? ? i : s
      }
    end
  end
when 2
  if a[1][" "]
    p a[1].split.map(&:to_i).sum
  else
    puts "#{a[0].split.map(&:to_i).sum} #{a[1]}"
  end
else
  p a[1..-1].map(&:to_i).sum
end