#include <bits/stdc++.h>
using namespace std;
char str[2][2000100];
int n;
int main() {
  int t, q, i, j, k, cnt, a1 = 0, b1 = 0, c1 = 0;
  cin >> n;
  cin >> str[0] >> str[1];
  for (i = 0; i < 2 * n; i++) {
    if (str[0][i] == str[1][i] && str[0][i] == '1')
      c1++;
    else if (str[0][i] == '1')
      a1++;
    else if (str[1][i] == '1')
      b1++;
  }
  c1 = c1 % 2;
  a1 += c1;
  if (a1 > b1)
    cout << "First";
  else if (a1 == b1 || a1 == b1 - 1)
    cout << "Draw";
  else
    cout << "Second";
  return 0;
}
