/**
* Problem Name: Bank
* Author: MJ
* Created: 13 September 2025, Saturday (03:40:33)...
**/
#include<bits/stdc++.h>
using namespace std;
#define int int64_t
#define nl '\n'
void answer_to_the_question(){
int n,m; cin>>n>>m;
vector<int> a(n),b(m);
for(int i=0;i<n;i++) cin>>a[i];
for(int i=0;i<m;i++) cin>>b[i];
vector<int> sum(1<<m),mask[20003];
for(int k=1;k<(1<<m);k++){
for(int i=0;i<m;i++)if(k&(1<<i)){
sum[k]+=b[i];
}
mask[sum[k]].push_back(k);
}
vector<vector<bool>> dp(n,vector<bool> (1<<m,false));
for(auto &i: mask[a[0]]) dp[0][i]=true;
int tm=a[0];
for(int i=1;i<n;i++){
tm+=a[i];
for(auto &k: mask[tm]){
for(auto &j: mask[a[i]]){
if((k&j)==j){
dp[i][k]=(dp[i][k] || dp[i-1][j^k]);
}
}
}
}
for(int k=0;k<(1<<m);k++)if(dp[n-1][k]){
cout<<"YES"<<nl;
exit(0);
}
cout<<"NO"<<nl;
}
int32_t main(){
ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
answer_to_the_question();
return 0;
}
// .... headlock, You Know You'r better than this.
