#include <iostream>
#include <algorithm>
using namespace std;
bool cmp(int x,int y)
{
	return x > y;
}
int main()
{
	int n,m;
	cin >> n >> m;
	int a[m];
	for (int i = 0;i < m;i++)
		cin >> a[i];
	if (n == 1)
		sort(a,a + m);
	else
		sort(a,a + m,cmp);
	for (int i = 0;i < m - 1;i++)
		cout << a[i] << ',';
	cout << a[m - 1];
	return 0;
}