#include <bits/stdc++.h>
using namespace std;
int c0, c1, c2, n;
char s1[2000005];
char s2[2000005];
int main() {
  cin >> n >> s1 >> s2;
  for (int i = 0; i < 2 * n; i++) {
    if (s1[i] == '1' && s2[i] == '1')
      c0++;
    else if (s1[i] == '1')
      c1++;
    else if (s2[i] == '1')
      c2++;
  }
  c1 += c0 % 2;
  if (c1 == c2 || c1 + 1 == c2)
    cout << "Draw";
  else if (c1 > c2)
    cout << "First";
  else
    cout << "Second";
}
