milkMeasurement_tonfaiv1

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

struct ent{
	int day;
	int id;
	int change;
};

bool compareDay(const ent& a, const ent& b){
	return a.day < b.day;
}

int main(){
	ifstream fin("measurement.in");
	ofstream fout("measurement.out");
	int N, G;
	fin >> N >> G;

	vector<ent> entries(N);
	vector<int> cowID;
	map<int, int> cowInfo;
	for(int i = 0; i<N; i++){
		fin >> entries[i].day >> entries[i].id >> entries[i].change;
		cowInfo.insert({entries[i].id, G});
		if(find(cowID.begin(), cowID.end(), entries[i].id) != cowID.end()){
			//cout << "found: " << entries[i].id << endl;
		}else{
			cowID.push_back(entries[i].id);
			//cout << "pushed back: " << entries[i].id << endl;
		}

		//cout << entries[i].day << " " << entries[i].id << " " << entries[i].change << endl;
	}
	sort(entries.begin(), entries.end(), compareDay);

	int ans = 0;
	int mx = G;
	int mx2 = 0;
	int recordHolder2 = 0;
	int recordHolder = 0;
	int currNumDisplay = 0;
	//cout << "cowID.size(): " << cowID.size() << endl;
	for(int i = 0; i<N; i++){
		int currId = entries[i].id;
		cowInfo[currId] += entries[i].change;

		if(cowInfo[currId] > mx){
			mx2 = mx;
			mx = cowInfo[currId];
			//cout << "greater than max" << endl;
			currNumDisplay = 1;
			recordHolder2 = recordHolder;
			recordHolder = currId;
			ans++;
			continue;
		}else if(entries[i].change < 0 && currId == recordHolder){
			if(mx2 >= cowInfo[currId]){
				//currNumDisplay--;
				recordHolder = recordHolder2;
				mx = mx2;
				//ans++;
			}
		}

		//int curMax = mx;
		int cnt = 0;
		for(int j = 0; j<cowID.size(); j++){
			if(cowInfo[cowID[j]] == mx){
				cnt++;
			}
		}
		//cout << "i = " << i << ", current max: " << mx << ", count: " << cnt << ", currently on display: " << currNumDisplay << endl;

		if(cnt != currNumDisplay){
			ans++;
			currNumDisplay = cnt;
		}

		//cout << "changed ID: " << currId << ", to " << cowInfo[currId] << endl;

		//if(cowInfo[currId] > mx){
			//mx2 = mx;
			//mx = cowInfo[currId];
			//if(currId != recordHolder){
				//cout << "greater than max" << endl;
				//currNumDisplay = 1;
				//recordHolder2 = recordHolder;
				//recordHolder = currId;
				//ans++;
			//}
		//}else if(entries[i].change < 0 && currId == recordHolder){
			//if(mx2 >= cowInfo[currId]){
				//currNumDisplay--;
				//recordHolder = recordHolder2;
				//mx = mx2;
				//ans++;
			//}
		//}else if(entries[i].change > 0 && cowInfo[currId] == mx){
			//currNumDisplay++;
			//cout << "increase to become equal" << endl;
			//recordHolder = currId;
			//ans++;
		//}
		//cout << "currently on display: " << currNumDisplay << endl;
	}
	fout << ans << endl;
}