#include <bits/stdc++.h>
using namespace std;
int main() {
  long n;
  cin >> n;
  string s1, s2;
  cin >> s1 >> s2;
  long kol1 = 0, kol2 = 0, kol_both = 0;
  for (long i = 0; i < s1.size(); i++) {
    kol1 += (s1[i] != s2[i] && s1[i] == '1');
    kol2 += (s1[i] != s2[i] && s2[i] == '1');
    kol_both += (s1[i] == s2[i] && s1[i] == '1');
  }
  long points1 = 0, points2 = 0;
  while (kol1 + kol2 + kol_both != 0) {
    if (kol_both) {
      kol_both--;
      points1++;
    } else if (kol1) {
      kol1--;
      points1++;
    } else
      kol2--;
    if (kol1 + kol2 + kol_both == 0) break;
    if (kol_both) {
      kol_both--;
      points2++;
    } else if (kol2) {
      kol2--;
      points2++;
    } else
      kol1--;
  }
  if (points1 > points2) cout << "First";
  if (points1 == points2) cout << "Draw";
  if (points1 < points2) cout << "Second";
}
