给定 A,B两个个水壶,一个最终状态 C ,其中水壶A的容量为V_A, 水壶B的容量为 V_B,求是否可以通过水壶A和B,使得最终A或B中水的体积为C-Given A, B two a kettle, a final state C, where the capacity of the bottle A V_A, the capacity of the bottle B V_B, seeking whether through kettle A and B, A or B, so that the final volume of water is C