#include<bits/stdc++.h>
using namespace std;
#define rep(i,x,y) for(int i=x;i<y;i++)
#define range(a) (a).begin(),(a).end()
#define print(A,n) rep(i,0,n){cout<<(i ? " ":"")<<A[i];}cout<<endl;
#define pprint(A,m,n) rep(j,0,m){print(A[j],n);}
const int mod=1e5;
const int size=1e5;
const long inf=1e9;
int main(){
	int N;cin>>N;
	string s;cin>>s;
	int E[N+1];E[0]=0;
	rep(i,1,N+1){
		if(s[i-1]=='E') E[i]=E[i-1]+1;
		else E[i]=E[i-1];
	}
	long A[N+1][N+1];A[0][0]=0; long a;
	rep(i,1,N+1){
		cin>>a;
		A[0][i]=A[0][i-1]+a;
	}rep(i,1,N+1)rep(j,0,N+1-i){
        A[i][j]=A[0][i+j]-A[0][i];
    }
    //pprint(A,N+1,N+1);
	int Q;long k;
    cin>>Q;
	rep(i,0,Q){
		cin>>k;
        int res=0;int id;
        rep(j,0,N+1){
		    id=upper_bound(A[j],A[j]+N+1-j,k)-1-A[j];
            res=max(res,E[j+id]-E[j]);
        }cout<<res<<endl;
	}
}