#include<bits/stdc++.h>
using namespace std;
int a[100005], b[100005], c[100005];           // b=死了  c=没劲了 
bool cmp(int x, int y)
{
	return x < y;
}
int main()
{
	int p = 1;
	int n;
	cin >> n;
	for (int i = 1; i <= n; i++)
	{
		cin >> a[i];
	}
	sort(a + 1, a + n + 1);
	int ans = n;
	for (int i = 1; i < n; i++)
	{
		if (b[i] == -1)
		{
			continue;
		}
		for (int j = p + 1; j <= n; j++)
		{
			if (a[i] == a[j])
			{
				continue;
			}
			else 
			{
				if (c[j] == -1)
				{
					continue;
				}
				if (a[i] < a[j])
				{
					p = j;
					b[i] = -1;
					c[j] = -1;
					ans--;
					break;
				}
			}
		}
	}
	cout << ans;
	return 0;
}