#include <bits/stdc++.h>
using namespace std;
const int maxn = 444444;
string s, t;
int main() {
  int n;
  cin >> n;
  cin >> s >> t;
  int cnt = 0;
  int a = 0, b = 0;
  for (int i = 0; i < 2 * n; i++) {
    if (s[i] == t[i] && s[i] == '1') {
      cnt++;
    }
    if (s[i] == '1' && t[i] == '0') a++;
    if (t[i] == '1' && s[i] == '0') b++;
  }
  int extr = 0;
  if (cnt % 2) extr = 1;
  if (a > b)
    puts("First");
  else if (a < b) {
    if (extr && (b - a == 1 || b - a == 2) || !extr && b - a == 1)
      puts("Draw");
    else
      puts("Second");
  } else if (extr)
    puts("First");
  else
    puts("Draw");
  return 0;
}
