N,M,K=map(int,input().split())
A=[]
B=[i for i in input().split()]
C=0
a=0
b=0
for i in range(N):
    t=int(input())
    A.append(t)
if B[0]=="+":
    for i in range(N):
        a+=A[i]
    for j in range(1,M+1):
        b+=int(B[j])
    C=(M*a)+(N*b)

elif B[0]=="*":
    for i in range(N):
        a += A[i]
    for j in range(1, M + 1):
        b += int(B[j])
    C=a*b
print(C%K)