#ifdef LOCAL
#include <C:\Users\onlin\Desktop\competitive_programming\codes\debug.hpp>
#else
#define dbg(x)
#define dbgl(x)
#define dbgvec(v)
#define DBG_OF(i, v)
#endif
#include<bits/stdc++.h>
using namespace std;
#define int long long
//#define endl '\n'
#define all(v) v.begin(),v.end()
bool testcases=0;
int dx[]={-1,1,-1,1,2,2,-2,-2};
int dy[]={-2,-2,+2,2,-1,1,-1,1};
const int MOD=1e9+7;
const int inf=1e12;
const int ranint=65729178;
const int mynum=21;
const int N=3e5;
const int siz=N+mynum;
const int tsiz=4*siz;
void solve(){
int n,m;
cin>>n>>m;
int v[m];
int mny[n];
for(int i=0;i<n;i++)cin>>mny[i];
for(int i=0;i<m;i++)cin>>v[i];
int dp[1<<m];
int mx=-1;
memset(dp,-1,sizeof(dp));
dp[0]=0;
int rem[(1<<m)];
memset(rem,0,sizeof(rem));
for(int mask=0;mask<(1<<m);mask++){
if(dp[mask]==-1)continue;
for(int i=0;i<m;i++){
if(!((1<<i)&mask)){
if(rem[mask]+v[i]<mny[dp[mask]]){
if(dp[mask|(1<<i)]>dp[mask])continue;
dp[mask|(1<<i)]=dp[mask];
rem[mask|(1<<i)]=rem[mask]+v[i];
}
else if(rem[mask]+v[i]==mny[dp[mask]]){
if(dp[mask|(1<<i)]>dp[mask]+1)continue;
dp[mask|(1<<i)]=dp[mask]+1;
rem[mask|(1<<i)]=0;
}
}
}
if(dp[mask]==n and rem[mask]==0){
cout<<"YES"<<endl;
return;
}
}
cout<<"NO"<<endl;
}
signed main() {
iostream::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int t=1;
if(testcases)cin>>t;
while(t--){
solve();
}
}
