#include <stdio.h>
#include <math.h>
#include <bitset>
#include <vector>
#include <map>
#include <set>
#include <stack>
#include <queue>
#include <cstring>
#include <string>
#include <sstream>
#include <algorithm>
#include <iomanip>
#include <iostream>

#define VARIABLE(x) cerr << #x << "=" << x << endl
#define BINARY(x) cerr << #x << "=" << static_cast<bitset<16> >(x) << endl;
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define REP(i,m,n) for (int i=m;i<(int)(n);i++)
#define if_range(x, y, w, h) if (0<=(int)(x) && (int)(x)<(int)(w) && 0<=(int)(y) && (int)(y)<(int)(h))

const int INF = 10000000;
typedef double D;
const D EPS = 1e-9;
const double PI = 3.14159;
int dx[4]={-1, 0, 1, 0}, dy[4]={0, -1, 0, 1};
using namespace std;
typedef pair<int, int> P;

typedef struct {
	double x, y;
} Point;

double rad(double deg)
{
	return deg*2*PI/360;
}

int sig(D a, D b) {
	if(a < b - EPS) return -1;
	if(a > b + EPS) return +1;
	return 0;
}

/** Problem0166 : Area of Polygon **/
double area(vector<Point> points)
{
	points.push_back(points[0]);
	
	double S=0;
	for (int i=0; i<points.size(); i++) {
		S += fabs(points[i].x*points[i+1].y - points[i+1].x*points[i].y);
	}
	
	return S/2;
}

int main()
{
	int M, N;
	while (cin>>M, M) {
		int angle=0;
		double S1=0;
		rep(k, M-1) {
			int t; cin>>t;
			angle+=t;
			S1 += sin(rad(t));
		}
		S1 += sin(rad(360-angle));
		
		angle=0;
		cin>>N;
		double S2=0;
		rep(k, N-1) {
			int t; cin>>t;
			angle+=t;
			S2 += sin(rad(t));
		}
		S2 += sin(rad(360-angle));
		
		if (sig(S1, S2)>0)
			cout << 1 << endl;
		else if (sig(S1, S2)==0)
			cout << 0 << endl;
		else
			cout << 2 << endl;
	}
}