def multply(m1, m2): list1 = [[0, 0], [0, 0]] for i in range(2): for j in range(2): for k in range(2): list1[i][j] += m1[i][k] * m2[k][j] return list1 while True: try: a0, a1, p, q, k = map(int, input().strip().split()) k -= 1 m1 = [[p, q], [1, 0]] m2 = [[1, 0], [0, 1]] m3 = [[a0], [a1]] while k >...