/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Ideone {
	public static void main (String[] args) throws java.lang.Exception {
		Scanner in = new Scanner(System.in);
		int s = in.nextInt();
		int n = in.nextInt();
		int[] m = new int[n];
		for (int i = 0; i < n; i++) m[i] = in.nextInt();
		Arrays.sort(m);
		LinkedList<Integer> lx = new LinkedList<Integer>();
		LinkedList<Integer> ly = new LinkedList<Integer>();
		int j = n-1;
		for (int i = 0; i < n; i++) {
			while (j >= 0 && m[i] + m[j] >= s && m[i] <= m[j]) {
				if (m[i]+m[j] == s) {
					lx.add(m[i]);
					ly.add(m[j]);
				}
				j--;
			}
		}
		for (int i = 0; i < lx.size(); i++){
			System.out.println(lx.get(i) + " + " + ly.get(i) + ";");
		} 
	}
}