n,m,k = map(int,input().split())

l = list(input().split())
op = l[0]
b = l[1:]
b = [int(i) for i in b]

a = []
for i in range(n):
    a.append(int(input()))

ans = 0
if op == "+":
    ans = sum(a)*m + sum(b)*n
else:
    ans = sum(a)*sum(b)
    
print(ans%k)