#include<bits/stdc++.h>
using namespace std;
int v[10001],a[201],b[201];
int i,j,k,x,n,m,ans,maxx;
int main(){
	//freopen("watch.in","r",stdin);
	//freopen("watch.out","w",stdout);
	cin>>n>>m;
	for(i=1;i<=n;++i){
		cin>>a[i]>>b[i];
	}
	for(i=1;i<=m;++i){
		cin>>v[i];
		if(v[i]>maxx)maxx=v[i];
	}
	int s[maxx+1];
	for(i=1;i<=m;++i){
		memset(s,0,sizeof(s));s[0]=1;
		for(k=1;k<=n;++k){
			for(x=1;x<=b[k];++x){
				s[a[k]*x]=1;
			}
		}
		
		if(s[v[i]]==1){
			cout<<"Yes"<<endl;
			continue;
		}
		else{
			for(j=v[i];j>=1;--j){
				if(s[j]==0){
     				for(k=1;k<=n;++k){
						if(j%a[k]!=0){
							for(x=1;x<=b[k];++x){
								if(j>=a[k]*x)
									if(s[j-a[k]*x]==1)s[j]=1;
							}
						}
						
					}
				}
			}
			if(s[v[i]]==1)cout<<"Yes"<<endl;
			else cout<<"No"<<endl;
		}
	}
	
	return 0;
}