#include<bits/stdc++.h>
using namespace std;
const int maxN = 25;
int n, m, a[maxN],b[maxN];
int f[(1 << 20)];
int d[200005];
bool check[200005];
bool testBit(int x, int k){
return x & (1 << k);
}
bool g[15][(1 << 10)];
namespace sub2{
void solve(){
g[0][0] = 1;
for (int i = 0; i < n; i ++){
for (int j = 0; j < (1 << m); j ++){
if (!g[i][j]) continue;
for (int k = 0; k < (1 << m); k ++){
if (d[k] == a[i + 1] && (j & k) == 0){
g[i + 1][j ^ k] = 1;
}
}
}
}
bool ok = 0;
for (int j = 0; j < (1 << m); j ++){
if (g[n][j]) ok = 1;
}
if (ok) cout << "YES" << '\n';
else cout << "NO" << '\n';
}
}
namespace sub4{
void solve(){
int res = 0;
for (int i = 1; i <= n; i ++){
res += a[i];
check[res] = 1;
// cout << res << '\n';
}
for (int i = 0; i < (1 << m); i ++){
//cout << d[i] << '\n';
for (int j = 0; j < m; j ++){
if (testBit(i, j)) f[i] = max(f[i], f[i ^ (1 << j)]);
}
f[i] += check[d[i]];
// if (i == 129) cout << f[129] << " " << check[d[129]]<< '\n';
}
bool ok = 0;
for (int i = 0; i < (1 << m); i ++){
ok = max(ok, (f[i] == n));
}
if (ok) cout << "YES" << '\n';
else cout << "NO" << '\n';
}
}
int main(){
cin >> n >> m;
for (int i = 1; i <= n; i ++) cin >> a[i];
for (int i = 1; i <= m; i ++) cin >> b[i];
for (int i = 0; i < (1 << m); i ++){
int sum = 0;
for (int j = 1; j <= m; j ++){
if (testBit(i, j - 1)) sum += b[j];
}
d[i] = sum;
}
if (n <= 10 && m <= 10){
sub2::solve();
}
else sub4::solve();
}
