(i) At any point in an electric circuit the algebraic sum of the currents meeting at that point is zero.
(ii) In any closed electric circuit the algebraic sum of the products of current and resistance in each part of the network is equal to the algebraic sum of the electromotive forces in the circuit.
http://www.ibiblio.org/kuphaldt/electricCircuits/DC/DC_6.html How Kirchhoff’s laws apply to divider circuits