#include <bits/stdc++.h>
using namespace std;

const long double eps = 1e-4;

signed main()
{
    std::ifstream file_in, file_out, file_users;
    file_in.open("input");
    file_out.open("answer");
    file_users.open("user_out");
    int tag = 0; /// ·µ»ØÖµ
    int T;
    int cnt = 0;
    long double user_out, ans_out;
    file_in >> T;
    cerr << T << endl;
    cnt = T;
    while (T--)
    {
        file_users >> user_out;
        file_out >> ans_out;
        if (fabs(ans_out - user_out) < eps || fabs(ans_out - user_out) / ans_out < eps)
        {
            tag++;
        }
        else
        {
            cerr << "ans: " << ans_out << " user: " << user_out << endl;
            cerr << fixed << setprecision(6) << fabs(ans_out - user_out) << '\n';
        }
    }
    cerr << tag << '\n';
    if (tag == cnt)
    {
        cout << 100;
    }
    else
    {
        cout << 0;
    }
    return 0;
}