/*
* @uni_kakurenbo
* https://github.com/uni-kakurenbo/competitive-programming-workspace
*
* CC0 1.0 http://creativecommons.org/publicdomain/zero/1.0/deed.ja
*/
/* #language C++ GCC */
#define PROBLEM "https://judge.yosupo.jp/problem/convolution_mod_1000000007"
#include "sneaky/enforce_int128_enable.hpp"
#include <iostream><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include "snippet/aliases.hpp"
#include "snippet/fast_io.hpp"
#include "adaptor/io.hpp"
#include "adaptor/vector.hpp"
#include "numeric/modular/modint.hpp"
#include "convolution/sum.hpp"
using mint = uni::modint1000000007;
signed main() {
uni::i32 n, m; input >> n >> m;
uni::vector<uni::u64> a(n), b(m); input >> a >> b;
print(uni::convolution<uni::vector<mint>>(a, b));
}