N,M,K=map(int,input().split())
B=input().split()
B2=map(int,B[1:])
A=[int(input()) for _ in range(N)]
if B[0]=='+':
    ans=((sum(A)*M)+(sum(B2)*N))%K
else:
    ans=(sum(A)*sum(B2))%K
print(ans)