#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  string s, t;
  cin >> s >> t;
  int cs = 0;
  int ct = 0;
  int oneToOneCount = 0;
  for (int i = 0; i < 2 * n; i++) {
    if (s[i] == '1' && t[i] == '1') {
      oneToOneCount++;
    } else {
      if (s[i] == '1') cs++;
      if (t[i] == '1') ct++;
    }
  }
  int oneGandicap = 0;
  if (oneToOneCount % 2 != 0) {
    oneGandicap++;
  }
  if (cs == 0 && ct == 1) {
    cout << "Draw";
    return 0;
  }
  if (cs == ct) {
    if (oneGandicap) {
      cout << "First";
    } else {
      cout << "Draw";
    }
  } else {
    int diff = abs(cs - ct);
    if (diff == 0) {
      if (oneGandicap) {
        cout << "Draw";
      } else {
        cout << "Second";
      }
    } else {
      if (cs > ct) {
        int realDiff = diff - (diff / 2);
        if (realDiff + oneGandicap == 0) {
          cout << "Draw";
        } else {
          cout << "First";
        }
      } else {
        if (oneGandicap) {
          int realDiff = diff - (diff / 2);
          if (realDiff == oneGandicap) {
            cout << "Draw";
          } else {
            cout << "Second";
          }
        } else {
          if (diff == 1) {
            cout << "Draw";
          } else {
            cout << "Second";
          }
        }
      }
    }
  }
  return 0;
}
