#include <bits/stdc++.h>
using namespace std;
int n;
string s, t;
int pos[2][2] = {{0, 0}, {0, 0}};
using namespace std;
int main() {
  cin >> n;
  cin >> s >> t;
  for (int i = 0; i < 2 * n; i++) {
    pos[s[i] - '0'][t[i] - '0']++;
  }
  int res = 0;
  int prev;
  for (int i = 1; i <= 2 * n; i++) {
    if (i % 2 == 1) {
      if (pos[1][1] > 0) {
        pos[1][1]--;
        prev = 1;
      } else if (pos[1][0] > 0) {
        pos[1][0]--;
        prev = 1;
      } else if (pos[0][1] > 0) {
        pos[0][1]--;
        prev = 0;
      } else {
        pos[0][0]--;
        prev = 0;
      }
    } else {
      if (pos[1][1] > 0)
        pos[1][1]--;
      else if (pos[0][1] > 0) {
        pos[0][1]--;
        if (prev == 0) {
          res = 2;
          break;
        }
      } else if (pos[1][0] > 0) {
        res = 1;
        break;
      } else {
        if (prev == 1) {
          res = 1;
          break;
        }
        pos[0][0]--;
      }
    }
  }
  if (res == 0)
    cout << "Draw\n";
  else if (res == 1)
    cout << "First\n";
  else
    cout << "Second\n";
}
