def main():
    n, m, k = map(int, input().split())
    arr = input().split()
    op = arr[0]
    b = list(map(int, arr[1:]))
    a = [int(input()) for _ in range(n)]

    if op == '*':
        print((sum(a) % k) * (sum(b) % k) % k)
    else:
        print((sum(a) * m + sum(b) * n) % k)


if __name__ == "__main__":
    main()