include <bits/stdc++.h>

using namespace std; int a[100010], b[100010];

int main() {

int n, maxn = 0;
cin >> n;
for (int i = 1; i <= n; i++) {
	cin >> a[i];
	b[a[i]]++;
	if (b[a[i]] > maxn) {
		maxn = b[a[i]];
	}
}
cout << maxn;
return 0;

}