let conv x = 
    if x == 1 
    then 
        13
    else 
        x-1;;


let a,b = Scanf.scanf "%d %d" (fun a b -> (conv a),(conv b))
in
    Printf.printf "%s\n"
        (if a > b then "Alice" 
        else if a < b then "Bob"
        else "Draw");;