#include <bits/stdc++.h>
using namespace std;
int main() {
int n, m; cin >> n >> m;
vector<int> vals(n);
vector<int> notes(m);
for (int &u: vals) cin >> u;
for (int &u: notes) cin >> u;
vector<vector<int>> sum(1001, vector<int>());
for (int i = 1; i < (1<<m); i++) {
vector<int> nds;
int tmp = i;
for (int j = 0; j < m; j++) {
if (tmp&1) nds.push_back(j);
tmp = tmp >> 1;
}
int tsum = 0;
for (int u: nds) {
tsum += notes[u];
}
sum[tsum].push_back(i);
// for (int u: nds) {
// cout << u << " ";
// }
// cout << "\n";
}
vector<vector<int>> dp(1<<n);
for (int i = 0; i < n; i++) {
dp[1<<i] = sum[vals[i]];
}
for (int i = 0; i < (1<<n); i++) {
vector<int> nds;
int tmp = i;
for (int j = 0; j < m; j++) {
if (tmp&1) nds.push_back(j);
tmp = tmp >> 1;
}
if (nds.size() == 1) continue;
for (int i = 0; i < nds.size(); i++) {
vector<int> maskz = dp[1<<nds[i]];
vector<int> maskz2 = dp[i ^ (1<<nds[i])];
for (int u: maskz) {
for (int k: maskz2) {
if (u&k == 0) {
dp[i].push_back(u||k);
}
}
}
}
}
if (dp[(1<<n) - 1].size() > 0) {
cout << "YES";
} else {
cout << "NO";
}
}
