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 == "+":
    for i in b:
        ans += (i*n)
    
    for j in a:
        ans += (j*m)
else:
    ans = sum(a)*sum(b)
    
print(ans%k)