N, M, K = map(int, input().split())
B = input().split()
op = B.pop(0)
B = list(map(int, B))
A = [0] * N
for i in range(N):
    A[i] = int(input())
    
if op == "+":
    print((sum(A) * M + sum(B) * N)%K)
else:
    print((sum(A) * sum(B))%K)