#include <bits/stdc++.h>

using namespace std;

int main(){
    ifstream input_file("input.txt");
    string line;
    unsigned int score = 0;

    while(getline(input_file, line)){
        stringstream ss(line);

        int x, y, a, b;
        char leftovers;
        ss >> x >> leftovers >> y >> leftovers >> a >> leftovers >> b;

        // cout << x << "-" << y << "," << a << "-" << b << endl;

        if((x <= a && y >= a) || (a <= x && b >= x)){
            score++;
        }
    }

    cout << "Score: " << score << endl;

    return 0;
}