t1, t2, r1, r2 = gets.split.map(&:to_i)
if r1 != -1 && r2 != -1
  puts r1 > r2 ? "Alice"
     : r1 < r2 ? "Bob"
     :           "Draw"
else
  puts t1 < t2 ? "Alice"
     : t1 > t2 ? "Bob"
     :           "Draw"
end

