#include <bits/stdc++.h>
using namespace std;
int N;
string S, T;
int main() {
  int a, b, c;
  cin >> N >> S >> T;
  a = b = c = 0;
  for (int i = 0; i < 2 * N; ++i)
    if (S[i] == '1' && T[i] == '1') ++c, S[i] = T[i] = '0';
  a = count(S.begin(), S.end(), '1');
  b = count(T.begin(), T.end(), '1');
  if (c % 2) {
    if (b > a + 2)
      cout << "Second\n";
    else if (b < a + 1)
      cout << "First\n";
    else
      cout << "Draw\n";
  } else {
    if (a > b)
      cout << "First\n";
    else if (a + 1 < b)
      cout << "Second\n";
    else
      cout << "Draw\n";
  }
  return 0;
}
