#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  int a[n];
  for (int i = 0; i < n; i++) cin >> a[i];
  int one = 0, two = 0, three = 0;
  for (int i = 0; i < n; i++) {
    if (a[i] == 1) one++;
    if (a[i] == 2) two++;
    if (a[i] == 3) three++;
  }
  cout << n - max(one, max(two, three));
}
