def taumBday(b, w, bc, wc, z):
    if(bc>wc+z):
        w=b+w
        return (w*wc)+(b*z)
    elif(wc>bc+z):
        wc=bc+z
        return (w*wc)+(b*bc)
    else:
        return (b*bc)+(w*wc)