#include <bits/stdc++.h>
using namespace std;
const int delta = (int)1e9 + 7;
int n, a, b, c;
string s, t;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cin >> n >> s >> t;
  for (int i = 0; i < 2 * n; ++i) {
    if (s[i] == '1' && t[i] == '1')
      c++;
    else if (s[i] == '1')
      a++;
    else if (t[i] == '1')
      b++;
  }
  if (a > b)
    cout << "First";
  else if (a == b) {
    if (c & 1)
      cout << "First";
    else
      cout << "Draw";
  } else if (b - a > 2)
    cout << "Second";
  else if (b - a == 2) {
    if (c & 1)
      cout << "Draw";
    else
      cout << "Second";
  } else
    cout << "Draw";
  return cout << endl, 0;
}
