#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, d = 0, a = 0, b = 0, x, y, f;
  string s, t;
  cin >> n >> s >> t;
  n *= 2;
  for (int i = 0; i < n; i++)
    if (s[i] == '1' && t[i] == '1')
      d++;
    else if (s[i] == '1')
      a++;
    else if (t[i] == '1')
      b++;
  x = d / 2 + d % 2;
  y = d / 2;
  n -= d;
  f = d % 2;
  while (n--) {
    if (f) {
      if (b)
        b--, y++;
      else if (a)
        a--;
    } else {
      if (a)
        a--, x++;
      else if (b)
        b--;
    }
    f = !f;
  }
  if (x > y)
    cout << "First";
  else if (x < y)
    cout << "Second";
  else
    cout << "Draw";
}
