#include <bits/stdc++.h>
using namespace std;
int ans[3], one[4], bo;
int main() {
  int n;
  string a, b;
  cin >> n >> a >> b;
  for (int i = 0; i < 2 * n; ++i) {
    if (a[i] == '1' && b[i] == '1') bo++;
    if (a[i] == '1' && b[i] == '0') one[0]++;
    if (a[i] == '0' && b[i] == '1') one[1]++;
  }
  int pl = 0;
  while (bo > 0 or one[pl] > 0 or one[pl ^ 1] > 0) {
    if (bo > 0) {
      ans[pl]++;
      bo--;
    } else if (one[pl] > 0)
      one[pl]--, ans[pl]++;
    else if (one[pl ^ 1] > 0)
      one[pl ^ 1]--;
    pl ^= 1;
  }
  if (ans[0] == ans[1])
    cout << "Draw";
  else if (ans[0] < ans[1])
    cout << "Second";
  else
    cout << "First";
}
