N,M,K = map(int, input().split())
B = [i for i in input().split()]
op = B.pop(0)
A = [int(input()) for _ in range(N)]
for i in range(M):
    B[i] = int(B[i])

if op == "+":
    ans = (sum(A)*M + sum(B)*N) % K
else:
    ans = (sum(A)*sum(B)) % K
print(ans)