#include <bits/stdc++.h>
using namespace std;
int n, c = 0, s1, ss1;
string s, ss;
int main() {
  cin >> n >> s >> ss;
  for (auto i = 0; i < n + n; i++) {
    if (s[i] == '1') s1++;
    if (ss[i] == '1') ss1++;
    if (s[i] == '1' && ss[i] == '1') c++;
  }
  if (s1 - ss1 + (c % 2) > 0)
    cout << "First";
  else if (s1 + (c % 2) < ss1 - 1)
    cout << "Second";
  else
    cout << "Draw";
}
