#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  string s1, s2;
  cin >> n;
  cin >> s1;
  cin >> s2;
  int cont1 = 0, cont2 = 0, cont3 = 0;
  for (int i = 0; i < 2 * n; i++) {
    if (s1[i] - '0') cont1++;
    if (s2[i] - '0') cont2++;
    if (s1[i] == s2[i] && (s1[i] - '0')) cont3++;
  }
  if (cont3 % 2 == 1) cont2--;
  if (cont1 > cont2)
    cout << "First" << endl;
  else {
    if (cont2 - cont1 > 1)
      cout << "Second" << endl;
    else
      cout << "Draw" << endl;
  }
  return 0;
}
