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

int main() {
	int n, m;
	cin >> n >> m;
	vector<pair<pair<int, int>, int>> v(n);
	for(int i = 0; i < n; i++) {
		cin >> v[i].first.second >> v[i].first.first;
		v[i].second = i+1;
	}
	sort(v.begin(), v.end());

	int mm = 1, f = 1;
	bool apa = true;
	vector<int> MM, F;
	for(int i = 0; i < n; i++) {
		if(apa && v[i].first.second >= mm) {
			MM.push_back(v[i].second);
			mm = v[i].first.first + 1;
			apa = false;
		} else if(!apa && v[i].first.second >= f) {
			F.push_back(v[i].second);
			f = v[i].first.first + 1;
			apa = true;
		}
	}

	cout << MM.size() << ' ' << F.size() << '\n';
	for(auto i : MM) cout << i << ' ';
	cout << '\n';
	for(auto i : F) cout << i << ' ';

	return 0;
}