#include <bits/stdc++.h>
using namespace std;
int sal[22];
int val[22];
vector<int> maski[1002];
int n,m;
bool backtrack(int maska, int pos){
if (pos==-1)return true;
for (auto u : maski[sal[pos]]){
if (!(u&maska) && backtrack(u^maska,pos-1))return true;
}
return false;
}
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
int v;
cin >> n >> m;
multiset<int> wart,bank;
for (int i = 0; i<n; i++){
cin >> v;
wart.insert(v);
}
for (int i = 0; i<m; i++){
cin >> v;
auto it=wart.find(v);
if (it!=wart.end())wart.erase(it);
else bank.insert(v);
}
n=wart.size();
m=bank.size();
if (n>10){
cout << "NO\n";
return 0;
}
int iter=0,sm;
for (auto u : wart)sal[iter++]=u;
iter=0;
for (auto u : bank)val[iter++]=u;
for (int i = 1; i<(1<<m); i++){
sm=0;
for (int j = 0; j<m; j++){
if (i&(1<<j))sm+=val[j];
}
if (sm<=1000)maski[sm].push_back(i);
}
if (backtrack(0,n-1))cout << "YES\n";
else cout << "NO\n";
}
