#include<iostream>
#include<algorithm>
using namespace std;

int main(){
	int n;
	cin>>n;
	int arr[n],i;
	int arr1[100]={0};
	for(i=0;i<n;i++)
	{
	cin>>arr[i];
	arr1[arr[i]]++;	
	}

	for(i=1;i<100;i++)
	{
		arr1[i]+=arr1[i+1];
	}

	int res=*max_element(arr1,arr1+99);
	cout<<res<<endl;
	return 0;
}