#include <bits/stdc++.h>
using namespace std;
long long mod = 1e9 + 7;
int main() {
  int n;
  string str1, str2;
  int count1 = 0, count2 = 0;
  int od = 0;
  cin >> n >> str1 >> str2;
  for (int i = 0; i < 2 * n; i++) {
    if (str1[i] == '1') count1++;
    if (str2[i] == '1') count2++;
    if (str1[i] == '1' && str2[i] == '1') od++;
  }
  if (od % 2 == 1) {
    count1++;
    od--;
  }
  if (count1 > count2) {
    cout << "First";
  } else {
    if (count1 + 1 < count2)
      cout << "Second";
    else {
      if (od % 2 == 0)
        cout << "Draw";
      else
        cout << "First";
    }
  }
  return 0;
}
