#include <bits/stdc++.h>

using namespace std;

struct cmp{
    bool operator()(vector<int> a,vector<int> b){
        return (a[1] > b[1]);    
    }
};

int main(){
    int n;
    cin >> n;
    vector<int> types(n);
    
    vector<vector<int> > v(6,vector<int>(2,0));
    
    for(int i=0;i<6;i++)
        v[i][0]=i;
    
    for(int types_i = 0; types_i < n; types_i++){
            cin >> types[types_i];
            v[types[types_i]][1]++;
    }

    sort(v.begin(),v.end(),cmp());
    
    cout << v[0][0] << endl;
    
    
    return 0;
}