#include <bits/stdc++.h>
using namespace std;
int main() {
  long long int t, i, oo = 0, oz = 0, zo = 0, zz = 0;
  char s1[2000005], s2[2000005];
  cin >> t;
  cin >> s1;
  cin >> s2;
  t = 2 * t;
  for (i = 0; i < t; i++) {
    if (s1[i] == '1' && s2[i] == '1')
      oo++;
    else if (s1[i] == '1' && s2[i] == '0')
      oz++;
    else if (s1[i] == '0' && s2[i] == '1')
      zo++;
    else
      zz++;
  }
  if (oo % 2 == 0) {
    if (oz > zo)
      cout << "First";
    else if (oz + 1 == zo || oz == zo)
      cout << "Draw";
    else
      cout << "Second";
  } else {
    if (oz >= zo)
      cout << "First";
    else if (oz + 1 == zo || oz + 2 == zo)
      cout << "Draw";
    else
      cout << "Second";
  }
  return 0;
}
