#include <math.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <limits.h>
#include <stdbool.h>

int main(){
    int n; 
    scanf("%d",&n);
    int *t= malloc(sizeof(int) * n),freq[5]={0,0,0,0,0},i=0;
    for(i=0;i<n;i++)
        {
            scanf("%d",&t[i]);
            if(t[i]==1)
                freq[0]++;
            else if(t[i]==2)
                freq[1]++;
            else if(t[i]==3)
                freq[2]++;
            else if(t[i]==4)
                freq[3]++;
            else
                freq[4]++;
        }
    int max=0;
    for(i=0;i<4;i++)
        {
            if(freq[i+1]>freq[i])
                max=i+2;
            else
                freq[i+1]=freq[i];
        }
    printf("%d",max);
    // your code goes here
    return 0;
}