#include <bits/stdc++.h>
using namespace std;
long long n, m, i, j, k, l, ans1, ans2, o, p;
string s, t;
int main() {
  cin >> n;
  cin >> s;
  cin >> t;
  for (i = 0; i < s.size(); i++) {
    if (s[i] == '1' && t[i] == '1') o++;
    if (s[i] == '1' && t[i] == '0') p++;
    if (s[i] == '0' && t[i] == '1') m++;
  }
  ans1 += (o + 1) / 2;
  ans2 += o - ((o + 1) / 2);
  if (o % 2 == 0) {
    if (p > m) cout << "First" << endl;
    if (p == m || p == m - 1) cout << "Draw" << endl;
    if (p < m - 1) cout << "Second" << endl;
  } else {
    o--;
    p++;
    if (p > m) cout << "First" << endl;
    if (p == m || p == m - 1) cout << "Draw" << endl;
    if (p < m - 1) cout << "Second" << endl;
  }
}
