#include <bits/stdc++.h>
using namespace std;
int main() {
  int i, j, k, l, n, m, t, a = 0, b = 0, c = 0, d = 0, f;
  cin >> n;
  string s, p;
  cin >> s;
  cin >> p;
  for (i = 0; i < 2 * n; i++) {
    if (s[i] == '1' && p[i] == '1')
      a++;
    else if (s[i] == '1' && p[i] == '0')
      c++;
    else if (s[i] == '0' && p[i] == '1')
      d++;
  }
  f = 0;
  i = 0;
  j = 0;
  if (a == 0 && c == 0 && d != 0) {
    if (d > 1)
      cout << "Second";
    else
      cout << "Draw";
    return 0;
  }
  if (a % 2 == 0) {
    f = 0;
    i = a / 2;
    j = a / 2;
  } else {
    f = 1;
    i = (a + 1) / 2;
    j = a / 2;
  }
  if (f == 0) {
    if (c >= d) {
      i += d;
      j += d;
      c -= d;
      d = 0;
      i += (c + 1) / 2;
    } else {
      i += c;
      j += c;
      d -= c;
      c = 0;
      j += (d) / 2;
    }
  } else if (f == 1) {
    if (c >= d) {
      i += d;
      j += d;
      d = 0;
      c -= d;
      i += (c) / 2;
    } else {
      i += c;
      j += c;
      d -= c;
      c = 0;
      j += (d + 1) / 2;
    }
  }
  if (i > j)
    cout << "First";
  else if (j > i)
    cout << "Second";
  else
    cout << "Draw";
}
