#include 
//#include 
#include 
using namespace std;

int rastojanie(int a, int b) {
    return abs(a-b);
}

string levo_ili_desno(pair platforma, pair otsecka) {

    if(otsecka.first platforma;
    cin>>N>>L;
    vector> otsecka;
    platforma.first = 0;
    platforma.second = L;
   
    for(int i = 0; i>x>>y;
        otsecka.push_back(make_pair(x,y));
    }

    int brojac = 0;

    for(int i = 0; iplatforma.second) {
           continue;
        }
        if(otsecka[i].first>=platforma.first and otsecka[i].second<=platforma.second) {
            brojac++;
        }
        else {
            if(levo_ili_desno(platforma,otsecka[i])=="levo") {
                if(rastojanie(platforma.first,otsecka[i].second)>=rastojanie(platforma.first,otsecka[i].first)) {
                    brojac++;
                    platforma.first = otsecka[i].first;
                }
            }
            else {
                if(rastojanie(otsecka[i].first,platforma.second)>=rastojanie(otsecka[i].second,platforma.second)) {
                    brojac++;
                    platforma.second = otsecka[i].second;
                }
            }
        }
    }
    cout<