n,m,k=map(int,input().split())
l1=list(map(str,input().split()))
l2=[]
for i in range(n):
    s=int(input())
    l2.append(s)

l4=l1[1:]

l3=[]
for x in l4:
    l3.append(int(x))

if l1[0]=="+":
    print((m*sum(l2)+n*sum(l3))%k)
else:
    print((sum(l2)*sum(l3))%k)