tmp = list(map(int, input().split()))
N, M, K = tmp[0], tmp[1],tmp[2]

tmp = input().split()
op, B = tmp[0], [int(s) for s in tmp[1:]]
A = [int(input()) for _ in range(N)]

tmp = []
if op == '+':
    print((sum(A)*M + sum(B)*N)%K)
if op == '*':
    print(sum(A)*sum(B)%K)