def add(a,b):
    return int(a) + int(b)
    
def mul(a,b):
    return int(a) * int(b)

N,M,K = map(int,input().split())
B = input().split()
A = ['0']
for i in range(N):
    A.append(input())
S = []
for i in range(N):
    S.append([])
for i in range(1,N+1):
    for j in range(1,M+1):
        if B[0] == '+':
            S[i-1].insert(j-1,add(A[i],B[j]))
        elif B[0] == '*':
            S[i-1].insert(j-1,mul(A[i],B[j]))
ans = 0
for i in range(N):
    for j in range(M):
        ans += S[i][j]
print(ans%K)