#include <bits/stdc++.h>
using namespace std;
int main() {
  ios::sync_with_stdio(false);
  int n;
  cin >> n;
  int *sher = new int[n];
  char d;
  for (int i = 0; i < n; i++) {
    cin >> d;
    sher[i] = d - '0';
  }
  int *mor = new int[n];
  for (int i = 0; i < n; i++) {
    cin >> d;
    mor[i] = d - '0';
  }
  sort(sher, sher + n, greater<int>());
  sort(mor, mor + n, greater<int>());
  int out = 0;
  int l = 0, r = n - 1;
  for (int i = 0; i < n; i++) {
    if (sher[i] > mor[l]) {
      r--;
      out++;
    } else
      l++;
  }
  cout << out << endl;
  l = 0;
  r = n - 1;
  out = 0;
  for (int i = 0; i < n; i++) {
    if (sher[i] < mor[l]) {
      l++;
      out++;
    } else
      r--;
  }
  cout << out << endl;
  return 0;
}
