#include <bits/stdc++.h>
using namespace std;
int N, M;
vector<int> salary;
vector<int> banknotes;
vector<pair<int, int>> dp;
vector<vector<int>> candidates;
void func()
{
dp.assign(1 << M, {-1, -1});
dp[0] = {0, 0};
for (int mask = 1; mask < (1 << M); mask++)
{
for (int i = 0; i < M; i++)
{
if (!(mask & (1 << i)))
continue;
auto [lastIdx, lastSum] = dp[mask ^ (1 << i)];
if (lastIdx == -1)
continue;
lastSum += banknotes[i];
if (lastSum < salary[lastIdx])
{
dp[mask] = {lastIdx, lastSum};
}
else if (lastSum == salary[lastIdx])
{
dp[mask] = {lastIdx + 1, 0};
}
}
if (dp[mask].first == N)
{
cout << "YES\n";
return;
}
}
cout << "NO\n";
}
int main()
{
cin >> N >> M;
salary.resize(N);
banknotes.resize(M);
for (int i = 0; i < N; ++i)
cin >> salary[i];
for (int i = 0; i < M; ++i)
cin >> banknotes[i];
func();
return 0;
}
