#include <bits/stdc++.h>
using namespace std;
// Do you think you'll ever remember me someday, or will I just fade away from your memory?
#define LIFESUCK ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define ll long long
#define str string
#define mll map<ll, ll>
#define vll vector<ll>
#define pll pair<ll, ll>
#define fi first
#define se second
#define all(c) c.begin(), c.end()
#define pb push_back
#define debug cout << "I Love You\n";
#define fu(i, a, b) for (int i = a; i <= b; i++)
#define fd(i, b, a) for (int i = b; i >= a; i--)
#define Bitc(msk, j) ((msk >> j) & 1)
#define _log(x) 31 - __builtin_clz(x)
const ll Mod = 1e9 + 7;
const ll inf = (1ll << 30);
const ll lnf = (1ll << 60);
// When time passes and things change... will you still remember someone like me?
int64_t add(ll &a, ll b) {
a += b;
if (a >= Mod) a %= Mod;
while (a < 0) a += Mod;
return a;
}
int64_t mul(ll a, ll b) {
a = 1ll * a * b % Mod;
return a;
}
template <class X, class Y>
bool minimize(X &x, Y y) {
X eps = 1e-9;
if (x > y + eps) {
x = y;
return 1;
}
return 0;
}
template <class X, class Y>
bool maximize(X &x, Y y) {
X eps = 1e-9;
if (x + eps < y) {
x = y;
return 1;
}
return 0;
}
// I wonder… will I just become a distant memory to you one day?
#define mxn 100'007
ll n, m;
ll a[27], b[27];
namespace LoveLast {
ll f[27][(1 << 20) + 7];
vll c[mxn];
void DreamyLove () {
fu(msk, 1, (1 << m) - 1) {
ll cr = 0;
fu(j, 0, m - 1) if(Bitc(msk, j)) cr += b[j + 1];
c[cr].pb(msk);
}
c[0].pb(0);
f[0][0] = 1;
ll prev = 0;
fu(i, 1, n) {
vll tmp;
for(auto&j: c[prev]) {
if(!f[i - 1][j]) continue;
for(auto&msk: c[a[i]]) {
if(msk & j) continue;
f[i][msk | j] = 1;
tmp.pb(msk | j);
}
}
prev += a[i];
}
ll o = 0;
fu(msk, 1, (1 << m) - 1) o |= f[n][msk];
if(!o) return void(cout << "NO");
cout << "YES";
//
}
}
void lovesper(const ll &TestCase) {
cin >> n >> m;
fu(i, 1, n) cin >> a[i];
fu(i, 1, m) cin >> b[i];
LoveLast::DreamyLove();
}
signed main() {
LIFESUCK
#define name "lovesper"
// freopen(name".inp", "r", stdin);
// freopen(name".out", "w", stdout);
ll Test = 1;
// cin >> Test;
fu(i, 1, Test) {
lovesper(i);
if (i < Test) cout << '\n';
}
return 0;
}
