#include <bits/stdc++.h>
using namespace std;
int main() {
  long long int i, f = 0, s = 0, b = 0, of = 0, os = 0, n;
  string j, t;
  cin >> n >> j >> t;
  for (i = 0; i < 2 * n; ++i) {
    if (j[i] == '1' && t[i] == '1')
      b++;
    else if (j[i] == '1')
      of++;
    else if (t[i] == '1')
      os++;
  }
  for (i = 0; i < n; i++) {
    if (b) {
      f++;
      b--;
    } else if (of) {
      of--;
      f++;
    } else if (os)
      os--;
    if (b) {
      s++;
      b--;
    } else if (os) {
      os--;
      s++;
    } else if (of)
      of--;
  }
  if (f > s)
    cout << "First" << endl;
  else if (s > f)
    cout << "Second" << endl;
  else
    cout << "Draw" << endl;
  return 0;
}
