#include <bits/stdc++.h>
using namespace std;
int32_t main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  cout.tie(NULL);
  ;
  long long n;
  cin >> n;
  string s1, s2;
  cin >> s1 >> s2;
  long long o1 = 0, o2 = 0, b = 0;
  for (long long i = 0; i < 2 * n; i++) {
    if (s1[i] == '1' && s2[i] == '1')
      b++;
    else if (s1[i] == '1')
      o1++;
    else if (s2[i] == '1')
      o2++;
  }
  long long num1 = 0;
  long long num2 = 0;
  num1 = b / 2;
  num2 = b / 2;
  long long co = 1;
  if (b % 2 == 1) {
    num1++;
    co = 2;
  }
  long long m = min(o1, o2);
  num1 += m;
  num2 += m;
  o1 -= m;
  o2 -= m;
  if (o1 > 0) {
    long long x = o1 / 2;
    num1 += x;
    if (o1 % 2 == 1 && co == 1) num1++;
  }
  if (o2 > 0) {
    long long x = o2 / 2;
    num2 += x;
    if (o2 % 2 == 1 && co == 2) num2++;
  }
  if (num1 == num2)
    cout << "Draw";
  else if (num1 > num2)
    cout << "First";
  else {
    cout << "Second";
  }
  return 0;
}
