A37 - Travel 2
https://atcoder.jp/contests/tessoku-book/tasks/tessoku_book_ak
提出
code: python
n, m, b = map(int, input().split())
a = list(map(int, input().split()))
c = list(map(int, input().split()))
# for i in range(n):
# for j in range(m):
print(b * (n*m) + sum(a) * m + sum(c) * n)