#yuki987
n,m,k=map(int,raw_input().split())
op=raw_input().split()
b=[]
for i in range(1,len(op)):
 b.append(int(op[i]))
a=[]
for i in range(n):
 a.append(int(raw_input()))
if op[0]=='+':
 print (sum(a)*m+sum(b)*n)%k
else:
 print (sum(a)*sum(b))%k