#! ruby

N = gets.to_i

(1..N).each do |i|
    i3 = i % 3 == 0 
    i5 = i % 5 == 0
    i3a5 = i3 & i5
    case
    when i3a5
        puts "FizzBuzz"
    when i3
        puts "Fizz"
    when i5
        puts "Buzz"
    else
        puts i
    end
end