str = gets.chomp!
abort "EOF" unless !gets
abort "Format error" unless str=~/^[0-3]+$/


# 末尾15文字だけを検査すればおｋ
tail =  str.size > 15 ? str[-15..-1] : str

e = tail.to_i(4)
puts e%15 == 0 ? "FizzBuzz" : (e%5 == 0 ? "Buzz" : (e%3 == 0 ? "Fizz" : str))