#include <bits/stdc++.h>
#define ll long long
#define ent '\n'
#define pb push_back
#define all(x) x.begin(),x.end()
#define PRaim_bek_abi ios_base::sync_with_stdio(0);cin.tie(0);
using namespace std;
const int N = 1e5+5;
const int MOD = 1e9+7;
int n , m , b[N] , a[N];
bool dp[N];
void easy(){
cin >> n >> m;
for (int i = 1; i <= n; i++){
cin >> a[i];
}
for (int i = 1; i <= m; i++){
cin >> b[i];
}
dp[0] = 1;
for (int i = 1; i <= m; i++){
for (int j = a[1]; j >= b[i]; j--){
if (dp[j - b[i]] == 1) dp[j] = 1;
}
}
cout << (dp[a[1]] == 1 ? "YES" : "NO");
}
signed main(){
PRaim_bek_abi
int t=1;
//cin>>t;
while(t--) easy();
}
