#include <set>
#include <string>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;
const int lim = 100;
int main() {
	int N, K;
	cin >> N >> K;
	vector<int> A(N);
	for (int i = 0; i < N; ++i) {
		cin >> A[i];
	}
	vector<int> cnt(lim);
	for (int i = 0; i < N; ++i) {
		++cnt[A[i]];
	}
	vector<vector<int> > g;
	g.push_back(vector<int>());
	vector<int> cur;
	for (int i = lim - 1; i >= 10; --i) {
		if (i % 11 != 0 || cnt[i / 11] == 0) {
			for (int j = 0; j < cnt[i]; ++j) {
				cur.push_back(i);
				g.push_back(cur);
			}
		}
		else {
			for (int j = 0; j < cnt[i]; ++j) {
				cur.push_back(i / 11);
				g.push_back(cur);
				cur.pop_back();
				cur.push_back(i);
				g.push_back(cur);
			}
			for (int j = 0; j < cnt[i / 11]; ++j) {
				cur.push_back(i / 11);
				g.push_back(cur);
			}
		}
	}
	reverse(g.begin(), g.end());
	vector<string> ans;
	for (vector<int> v : g) {
		vector<int> rc = cnt;
		for (int i : v) {
			--rc[i];
		}
		vector<int> arr;
		for (int i = 0; i < lim; ++i) {
			for (int j = 0; j < rc[i]; ++j) {
				arr.push_back(i);
			}
		}
		set<string> st;
		do {
			string s;
			for (int i : arr) {
				s += to_string(i);
			}
			st.insert(s);
		} while (next_permutation(arr.begin(), arr.end()));
		if (st.size() >= K) {
			string prefix;
			for (int i : v) {
				prefix += to_string(i);
			}
			vector<string> w(st.begin(), st.end());
			reverse(w.begin(), w.end());
			for (int i = 0; i < K; ++i) {
				ans.push_back(prefix + w[i]);
			}
			break;
		}
	}
	for (string s : ans) {
		cout << s << '\n';
	}
	return 0;
}