#include <bits/stdc++.h>
using namespace std;
char s[2000010], t[2000010];
int main(void) {
  int n;
  scanf("%d", &n);
  scanf("%s", s);
  scanf("%s", t);
  int count_s, count_t, count_com;
  count_s = count_t = count_com = 0;
  for (int i = 0; i < 2 * n; ++i) {
    if (s[i] == '1' && t[i] == '1') {
      ++count_com;
    }
    if (s[i] == '1' && t[i] != '1') {
      ++count_s;
    }
    if (s[i] != '1' && t[i] == '1') {
      ++count_t;
    }
  }
  if (count_com % 2 == 0) {
    if (count_s > count_t) {
      puts("First");
    } else if (count_s >= count_t - 1) {
      puts("Draw");
    } else {
      puts("Second");
    }
  } else {
    if (count_s >= count_t) {
      puts("First");
    } else if (count_s >= count_t - 2) {
      puts("Draw");
    } else {
      puts("Second");
    }
  }
  return 0;
}
