getNode (Branch _ l r) (b:bs) = 
    if b
    then getNode r bs
    else getNode l bs
getNode (Branch _ l r) (b:bs) = 
    if b
    then getNode r bs
    else getNode l bs
getNode (Branch _ l r) (b:bs) = 
    if b
    then getNode r bs
    else getNode l bs