#include <bits/stdc++.h>
using namespace std;
int main() {
  long long int n, common = 0, ca = 0, cb = 0;
  string a, b;
  cin >> n;
  cin >> a >> b;
  for (long long int i = 0; i < a.length(); ++i) {
    if (a[i] == b[i] && a[i] == '1')
      common++;
    else if (a[i] == '1' && b[i] == '0')
      ca++;
    else if (b[i] == '1' && a[i] == '0')
      cb++;
  }
  if (common % 2 == 0) {
    if (ca > cb) {
      cout << "First";
      return 0;
    }
    if ((cb - ca) / 2 == 0)
      cout << "Draw";
    else if ((cb - ca) / 2 > 0)
      cout << "Second";
    else
      cout << "First";
  } else {
    if (cb == 0)
      cout << "First";
    else {
      cb--;
      if (ca > cb) {
        cout << "First";
        return 0;
      }
      if ((cb - ca) / 2 == 0)
        cout << "Draw";
      else if ((cb - ca) / 2 > 0)
        cout << "Second";
      else
        cout << "First";
    }
  }
}
