n,m,k = map(int, input().split())
tmp = list(map(str, input().split()))
a=[int(input()) for i in range(n)]

op=tmp[0]
b=[]
for num in tmp[1:]:
    b.append(int(num))

sm_a=sum(a)
sm_b=sum(b)

if op=="*":
    ans=sm_a*sm_b
else:
    ans=sm_a*len(b) + sm_b*len(a)

print(ans%k)