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

void nextFit(const vector<int>& w, int C) {
	cout << "NextFit" << endl;
	int left = C;
	int box = 1;
	cout << "‚ ßùèê " << box << " âõîäßò ïðåäìåòû:" << endl;
	for (int i = 0; i < w.size(); ++i) {
		if (left - w[i] >= 0) {
			left -= w[i];
			cout << i+1 << ", âåñîì " << w[i];
			cout << endl;
		} else {
			box += 1;
			cout << endl << "‚ ßùèê " << box << " âõîäßò ïðåäìåòû:" << endl;
			left = C - w[i];
			cout << i+1 << ", âåñîì " << w[i];
			cout << endl;
		}
	}
	cout << endl;
}

void firstFit(const vector<int>& w, int C) {
	cout << "FirstFit" << endl;
	vector<int> left;
	vector<vector<int>> boxes;
	for (int i = 0; i < w.size(); ++i) {
		bool b = false;
		for (int j = 0; j < left.size(); ++j) {
			if (left[j] >= w[i]) {
				left[j] -= w[i];
				boxes[j].push_back(i);
				b = true;
				break;
			}
		}
		if (!b) {
			left.push_back(C-w[i]);
			vector<int> box = {i};
			boxes.push_back(box);
		}
	}
	for (int box = 0; box < boxes.size(); ++box) {
		cout << "‚ ßùèê " << box+1 << " âõîäßò ïðåäìåòû:" << endl;
		for (auto el: boxes[box]) {
			cout << el+1 << ", ";
		}
		cout << endl;
	}
}

int main() {
	// your code goes here
	int n, C;
	cin >> n >> C;
	vector<int> w(n);
	for (int i = 0; i < n; ++i) {
		cin >> w[i];
	}
	nextFit(w, C);
	firstFit(w, C);
	return 0;
}