#include <iostream>
#include <vector>
#include <string>
using namespace std;

int main()
{
    int n;
    cin >> n;
    vector <pair <char, pair <int, int>>> s(n);
    for(int i = 0; i < n; i++)
    {
        char a; int o, l;
        cin >> a >> o >> l;
        cout << a << " " << o << " " << l << endl;
        s[i] = make_pair(a, make_pair(o, l));
        cout << s[i].first << " " << s[i].second.first << " " << s[i].second.second << endl;
    }
    int sf = 0, sm = 0, x = 0;
    for(int i = 1; i <= 366; i++)
    {
        for(int j = 0; j < n; j++)
        {
            int p, q;
            s[j].second.first = p; s[j].second.second = q;
            cout << j << " " << p << " " << q << endl;
            if((p <= i) and (i <= q))
            {
                if(s[j].first == 'F') sf++;
                else sm++;
            }
        }
        if((sf == sm) and (sf > x)) x = sf;
        sf = 0; sm = 0;
    }
    cout << x;
    return 0;
}