#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  long long int n;
  string s1, s2;
  cin >> n >> s1 >> s2;
  long long int p = 0, q = 0, r = 0;
  for (int i = 0; i < 2 * n; i++) {
    if (s1[i] == '1' && s1[i] != s2[i]) p++;
    if (s1[i] == s2[i] && s1[i] == '1') r++;
    if (s2[i] != s1[i] && s2[i] == '1') q++;
  }
  long long int ct1 = 0, ct2 = 0;
  long long int f = 1;
  while ((p + q + r) != 0) {
    if (f == 1) {
      if (r != 0) {
        ct1++;
        r--;
      } else {
        if (p != 0) {
          p--;
          ct1++;
        } else if (q > 0)
          q--;
      }
      f = 0;
    } else {
      if (r != 0) {
        ct2++;
        r--;
      } else {
        if (q != 0) {
          q--;
          ct2++;
        } else if (p > 0)
          p--;
      }
      f = 1;
    }
  }
  if (ct1 == ct2)
    cout << "Draw";
  else if (ct1 > ct2)
    cout << "First";
  else
    cout << "Second";
}
