#include <bits/stdc++.h>
using namespace std;
template <class T>
void pv(T a, T b) {
  for (T i = a; i != b; ++i) cout << *i << " ";
  cout << endl;
}
int main() {
  int N;
  scanf("%d", &N);
  int cnt[3] = {};
  for (int i = 0; i < (int)(N); ++i) {
    int a;
    scanf("%d", &a);
    ++cnt[a - 1];
  }
  cout << (N - *max_element(cnt, cnt + 3)) << endl;
  return 0;
}
