n,m,k = map(int,input().split())
p,*a = input().split()
a = sum(map(int,a))
s = 0
if p =='*':
    for i in range(n):
        s += int(input())*a
else:
    for i in range(n):
        s += int(input())*m
    s += a*n
print(s%k)