#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, a = 0, b = 0, s = 0;
  cin >> n;
  string str1, str2;
  cin >> str1;
  cin >> str2;
  for (int i = 0; i < str1.size(); i++) {
    if (str1[i] == str2[i] && str1[i] == '1') {
      s++;
      continue;
    }
    if (str1[i] == '1') a++;
    if (str2[i] == '1') b++;
  }
  a += (s % 2);
  if (a > b) cout << "First" << endl;
  if (a == b || a == b - 1) cout << "Draw" << endl;
  if (a < b - 1) cout << "Second" << endl;
  return 0;
}
