#include <bits/stdc++.h>
using namespace std;
char s[2020304], t[2020304];
int n;
int main() {
  cin >> n;
  scanf("\n%s\n%s", s + 1, t + 1);
  int A = 0, ra = 0, rb = 0;
  for (int i = 1; i <= n + n; ++i)
    if (s[i] == t[i] && s[i] == '1')
      ++A;
    else if (s[i] == '1')
      ++ra;
    else if (t[i] == '1')
      ++rb;
  int p1 = (A + 1) / 2, p2 = A - p1;
  if (p1 + ra > p2 + rb)
    puts("First");
  else {
    int pa = p1, pb = p2;
    if (p1 > p2) {
      if (rb) ++pb;
      --rb;
    }
    if (rb > ra + 1)
      puts("Second");
    else
      puts("Draw");
  }
  return 0;
}
