#include <bits/stdc++.h>
using namespace std;
char a[2000006], b[2000006];
int main() {
  long i, j, k, l, n, f, s, d;
  scanf("%ld", &n);
  scanf("%s", a);
  scanf("%s", b);
  f = s = d = 0;
  for (i = 0; i < 2 * n; i++) {
    if (a[i] == '1' && b[i] == '1')
      d++;
    else if (a[i] == '1')
      f++;
    else if (b[i] == '1')
      s++;
  }
  f = f + (d / 2);
  if (d % 2) f++;
  s += (d / 2);
  if (f > s)
    printf("First\n");
  else if (s > f && (s - f) > 1)
    printf("Second\n");
  else
    printf("Draw\n");
  return 0;
}
