#include <bits/stdc++.h>

using namespace std;

int main(){
   
 
    int n,c1=0,c2=0,c3=0,c4=0,c5=0;
    cin >> n;
    int types[n];
    for(int i = 0;i < n;i++){
       cin >> types[i];
    }
    // your code goes here
    for(int i=0;i<n;i++)
    {
        if(types[i]==1)
        c1++;
       else if(types[i]==2)
        c2++;
      else if(types[i]==3)
        c3++;
      else if(types[i]==4) 
           c4++;
        else if(types[i]==5)
           c5++;
           else
            break;
           }
    int b[5]={c1,c2,c3,c4,c5};
    int l=0;
    l=b[0];

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