import std.algorithm;
import std.array;
import std.ascii;
import std.bigint;
import std.complex;
import std.container;
import std.conv;
import std.functional;
import std.math;
import std.range;
import std.stdio;
import std.string;
import std.typecons;

auto readInts() {
	return array(map!(to!int)(readln().strip().split()));
}
auto readInt() {
	return readInts()[0];
}
auto readLongs() {
	return array(map!(to!long)(readln().strip().split()));
}
auto readLong() {
	return readLongs()[0];
}

void readlnTo(T...)(ref T t) {
    auto s = readln().split();
    assert(s.length == t.length);
    foreach(ref ti; t) {
        ti = s[0].to!(typeof(ti));
        s = s[1..$];
    }
}

const real eps = 1e-10;

double s(int[] v) {
    v ~= 360 - v.sum;
    double ans = 0;
    foreach(vi; v) {
        ans += sin(vi*PI/180/2) * cos(vi*PI/180/2);
    }
    return ans;
}

void main(){
    while(true) {
        auto m = readInt();
        if(m == 0) {
            return;
        }
        int[] v;
        foreach(i; iota(m-1)) {
            v ~= readInt();
        }
        auto n = readInt();
        int[] u;
        foreach(i; iota(n-1)) {
            u ~= readInt();
        }
        auto diff = v.s - u.s;
        if(abs(diff) < eps) {
            writeln(0);
        } else {
            writeln(diff > 0 ? 1 : 2);
        }
    }
}