#include<iostream>
#include<cstdio>
using namespace std;
int a[100055];
int main(){
	int i,j,n;
	int m,temp;
	int current,position;
	scanf("%d",&n);
	while(cin>>m){
		for(i=0;i<=n;i++)
			a[i]=0;
			current=1;
		for(i=1;i<=m;i++){
			cin>>temp;
			a[current-1]++;
			for(j=1;j<=temp;j++){
				a[current]+=7;
				current++;
			}
			a[current+1]++;
			current+=1;
		}
		cin>>position;
		if(a[position]>=7) cout<<1<<endl;
		else if(a[position]>=1)cout<<2<<endl;
		else cout<<0<<endl;
}
	return 0;
}