#include <iostream>
#include <bits/stdc++.h>
#include <algorithm>
#include <vector>
#include <map>
#include <stack>
#include <list>
#include <iostream>
#include <string>
#include <map>
using namespace std;

int main()
{
    long long round;
    scanf("%lld", &round);
    vector<long long> lina, abdullah;
    for (int i = 0; i < round; ++i)
    {
        long long temp; scanf("%lld", &temp);
        lina.emplace_back(temp);
    }
    for (int i = 0; i < round; ++i)
    {
        long long temp; scanf("%lld", &temp);
        abdullah.emplace_back(temp);
    }
    int cLina = 0, cAbdullah = 0;
    for (int i = 0; i < round; ++i)
    {
        if (lina[i] > abdullah[i])
            ++cLina;
        else if (lina[i] < abdullah[i])
            ++cAbdullah;
    }
    if (cLina > cAbdullah)
        printf("1\n");
    else if (cAbdullah > cLina)
        printf("-1\n");
    return 0;
}