#include <bits/stdc++.h>

using namespace std;

int main(){
    int n;
    int count1=0,count2=0,count3=0,count4=0,count5=0;
    cin >> n;
    vector<int> types(n);
    for(int types_i = 0; types_i < n; types_i++){
       cin >> types[types_i];
    }
    
    for(int i=0;i<types.size();i++)
        {
        if(types[i]==1)
            count1++;
        if(types[i]==2)
            count2++;
        if(types[i]==3)
            count3++;
        if(types[i]==4)
            count4++;
        if(types[i]==5)
            count5++;
        
    }
    int small=count1;
    int index;
    int count[]={count1,count2,count3,count4,count5};
    for(int i=0;i<5;i++)
        {
        if(count[i]<small)
            small=count[i];
        index=i;
    }
    cout<<index;
    // your code goes here
    return 0;
}