#include <bits/stdc++.h>
using namespace std;
int n, c1, c2, cnt;
char s1[2000005], s2[2000005];
int main() {
  cin >> n;
  scanf("%s\n%s", s1 + 1, s2 + 1);
  n *= 2;
  for (int i = 1; i <= n; i++) {
    if ((s1[i] - '0') & (s2[i] - '0'))
      cnt++;
    else {
      c1 += s1[i] - '0';
      c2 += s2[i] - '0';
    }
  }
  if (cnt & 1) {
    if (c2 <= c1) {
      puts("First");
    } else if (c2 > c1 + 2) {
      puts("Second");
    } else
      puts("Draw");
  } else {
    if (c1 > c2) {
      puts("First");
    } else if (c1 + 1 < c2) {
      puts("Second");
    } else
      puts("Draw");
  }
  return 0;
}
