ns = gets.chomp
if ns.include?(' ')
    ab = ns.split.map(&:to_i).inject(:+)
    s = gets.chomp
    puts "#{ab} #{s}"
    exit
end

N = ns.to_i
if N == 0
    puts "Hello World!"
else
    lines = readlines
    if lines.size == 0
        if N == 10
            puts 55
        elsif N == 16
            puts <<'EOS'
1
2
Fizz
4
Buzz
Fizz
7
8
Fizz
Buzz
11
Fizz
13
14
FizzBuzz
16
EOS
        end
    elsif lines.size == 1
        puts lines[0].split.map(&:to_i).inject(:+)
    else
        puts lines.map(&:to_i).inject(:+)
    end
end