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