#include <bits/stdc++.h>
using namespace std;
int same, a, b, N, s1, s2;
string str1, str2;
int main() {
  cin >> N >> str1 >> str2;
  for (int i = 0; i < (N << 1); i++) {
    if (str1[i] == '1' && str2[i] == '1')
      same++;
    else {
      if (str1[i] == '1') a++;
      if (str2[i] == '1') b++;
    }
  }
  for (int i = 0; i < (N << 1); i++) {
    if ((i & 1) == 0) {
      if (same) {
        s1++;
        same--;
      } else if (a) {
        s1++;
        a--;
      } else if (b) {
        b--;
      }
    } else {
      if (same) {
        s2++;
        same--;
      } else if (b) {
        s2++;
        b--;
      } else if (a) {
        a--;
      }
    }
  }
  if (s1 > s2)
    cout << "First\n";
  else if (s1 < s2)
    cout << "Second\n";
  else
    cout << "Draw\n";
}
