Lady Bug（Round 1014）

import java.util.*;

public class Main {
    static Scanner sc=new Scanner(System.in);
    static void solve(){
        int n=sc.nextInt();
        String a=sc.next(),b=sc.next();
        int z0=0,z1=0;
        for (int i=0;i=(n+1)/2&&z1>=n/2) System.out.println("YES");
        else System.out.println("NO");
    }
    public static void main(String[] args) {
        int t=sc.nextInt();
        while(t-->0) solve();
    }    
}