#include <bits/stdc++.h>
using namespace std;
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  int n;
  string a, b;
  cin >> n >> a >> b;
  int c00 = 0, c01 = 0, c10 = 0, c11 = 0;
  for (int i = 0; i < 2 * n; ++i) {
    if (a[i] == '0') {
      if (b[i] == '0')
        c00++;
      else
        c01++;
    } else {
      if (b[i] == '0')
        c10++;
      else
        c11++;
    }
  }
  string sa = "", sb = "";
  for (int i = 0; i < 2 * n; ++i) {
    if (i % 2) {
      if (c11) {
        c11--;
        sb.push_back('1');
      } else if (c01) {
        c01--;
        sb.push_back('1');
      } else if (c10) {
        c10--;
        sb.push_back('0');
      } else {
        c00--;
        sb.push_back('0');
      }
    } else {
      if (c11) {
        c11--;
        sa.push_back('1');
      } else if (c10) {
        c10--;
        sa.push_back('1');
      } else if (c01) {
        c01--;
        sa.push_back('0');
      } else {
        c00--;
        sa.push_back('0');
      }
    }
  }
  if (sa > sb)
    cout << "First\n";
  else if (sa == sb)
    cout << "Draw\n";
  else
    cout << "Second\n";
  return 0;
}
