#include <bits/stdc++.h>
using namespace std;
int main() {
  long long int i, j, l, p1 = 0, p2 = 0, c11 = 0, c10 = 0, c01 = 0;
  string s, t;
  cin >> l;
  l = 2 * l;
  cin >> s >> t;
  s = " " + s;
  t = " " + t;
  for (i = 1; i <= l; i++) {
    if (s[i] == '1' && t[i] == '1') c11++;
    if (s[i] == '1' && t[i] == '0') c10++;
    if (s[i] == '0' && t[i] == '1') c01++;
  }
  p1 = (c11 + 1) / 2;
  p2 = c11 / 2;
  if (c11 % 2) {
    if (c10 < c01) {
      p1 += c10;
      p2 += c10;
      p2 += (c01 - c10 + 1) / 2;
    } else {
      p1 += c01;
      p2 += c01;
      p1 += (c10 - c01) / 2;
    }
  } else {
    if (c10 < c01) {
      p1 += c10;
      p2 += c10;
      p2 += (c01 - c10) / 2;
    } else {
      p1 += c01;
      p2 += c01;
      p1 += (c10 - c01 + 1) / 2;
    }
  }
  if (p1 > p2)
    cout << "First";
  else if (p1 < p2)
    cout << "Second";
  else
    cout << "Draw";
  return 0;
}
