#include <iostream>

#define bigLen 1000000
#define len 100

using namespace std;

int b[bigLen];

class Q{
private:
	int a[len];
	int n;
public:
	void Enter(){
		cout << "Vvedite dlinu massiva" << endl;
		cin >> n;
		cout << "Vvedite elementi massiva" << endl;
		for (int q=0; q<n; q++)
			cin >> a[q];
	}
	void Output(){
		cout << endl;
		for (int q=0; q<n; q++)
			cout << a[q] << " ";
		cout << endl;
	}
	int TaskOutPut(){
		int maxValue = -bigLen;

		for (int q=0; q<bigLen; q++)
			b[q] = 0;
		for (int q=0; q<n; q++)
			b[a[q]]++;
		for (int q=0; q<bigLen; q++)
			if (b[q] > maxValue)
				maxValue = b[q];
		return maxValue;
	}
};

int main(){
	Q obj;
	obj.Enter();
	cout << obj.TaskOutPut() << endl;
}