#include <bits/stdc++.h>
using namespace std;
int n, n1, n2, n0;
char s[2000010], t[2000010];
int main() {
  scanf("%d%s%s", &n, s, t);
  for (int i = 1; i <= n * 2; ++i) {
    if (s[i - 1] == '1') {
      if (t[i - 1] == '1')
        n0++;
      else
        n1++;
    } else {
      if (t[i - 1] == '1') n2++;
    }
  }
  int t1 = 0, t2 = 0;
  bool p = 1;
  while (n0 + n1 + n2) {
    if (n0) {
      if (p)
        t1++;
      else
        t2++;
      n0--;
    } else if (n1) {
      if (p) t1++;
      n1--;
    } else if (n2) {
      if (!p) t2++;
      n2--;
    }
    p = !p;
  }
  puts(t1 == t2 ? "Draw" : (t1 > t2 ? "First" : "Second"));
  return 0;
}
