#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, c1 = 0, c2 = 0, c3 = 0, frst, scnd;
  string s1, s2, ans;
  cin >> n;
  cin >> s1;
  cin >> s2;
  for (int i = 0; i < 2 * n; i++) {
    if (s1[i] == '1' && s2[i] == '1') {
      c1++;
    } else if (s1[i] == '1' && s2[i] == '0') {
      c2++;
    } else if (s1[i] == '0' && s2[i] == '1') {
      c3++;
    }
  }
  frst = (c1 % 2) + c2;
  scnd = c3;
  if (frst < scnd && scnd - frst != 1) {
    ans = "Second";
  } else if (frst > scnd) {
    ans = "First";
  } else {
    ans = "Draw";
  }
  cout << ans << endl;
}
