n,m,k=map(int,input().split())
s=[]
for _ in range(n+1):
    a=input().split()
    s.extend(a)
p=s[0]
B=s[1:m+1]
A=s[m+1:]
B_i = [int(c) for c in B]
A_i = [int(c) for c in A]
B_sum=sum(B_i)
A_sum=sum(A_i)
if p=='+':
    anser_1=(m*A_sum+n*B_sum)%k
    print(anser_1)
else :
    anser_2=A_sum*B_sum%k
    print(anser_2)