// author: khba
#include "bits/stdc++.h"
using namespace std;
#ifdef khba
#include "C:\Users\Asus\Desktop\khba\debug.h"
#else
#define print(...) 42
#endif
const int N = 1 << 20;
int32_t main() {
#ifdef khba
freopen("in.txt", "r", stdin);
freopen("out.txt", "w", stdout);
#else
// freopen("promote.in", "r", stdin);
// freopen("promote.out", "w", stdout);
#endif
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int n, m;
cin >> n >> m;
vector<int> a(n), b(m);
vector<vector<int>> pos(1001);
for (int& i : a) cin >> i;
for (int& i : b) cin >> i;
for (int mask = 0; mask < (1 << m); ++mask) {
int sum = 0;
for (int i = 0; i < m; ++i) sum += (mask >> i & 1) * b[i];
if (sum <= 1000) pos[sum].push_back(mask);
}
bitset<N> dp = 0;
dp[0] = true;
for (int i = 0; i < n; ++i) {
bitset<N> ndp = 0;
for (int& j : pos[a[i]]) {
int l = ((1 << m) - 1) ^ j;
for (int msk = l;; msk = (msk - 1) & l) {
if (dp[msk]) ndp[msk | j] = true;
if (msk == 0) break;
}
}
dp = ndp;
}
cout << (dp.any() ? "YES" : "NO");
return 0;
}
