#include <bits/stdc++.h>
using namespace std;
char s[2000005], t[2000005];
int main() {
  int n, a = 0, b = 0, c = 0, x = 0, y = 0;
  scanf("%d %s %s", &n, s, t);
  for (int i = 0; i < 2 * n; i++) {
    if (s[i] == '1') {
      if (t[i] == '1')
        c++;
      else
        a++;
    } else if (t[i] == '1')
      b++;
  }
  for (int i = 0; i < n; i++) {
    if (c) {
      x++;
      c--;
    } else if (a) {
      x++;
      a--;
    } else if (b)
      b--;
    if (c) {
      y++;
      c--;
    } else if (b) {
      y++;
      b--;
    } else if (a)
      a--;
  }
  if (x > y)
    puts("First");
  else if (y > x)
    puts("Second");
  else
    puts("Draw");
  return 0;
}
