#include <bits/stdc++.h>
using namespace std;
char arr[2000005], brr[2000005];
int main() {
  int n, i, a, b, cm;
  scanf("%d", &n);
  scanf("%s %s", arr, brr);
  a = b = cm = 0;
  n *= 2;
  for (i = 0; i < n; i++) {
    if (arr[i] == '1' && brr[i] == '1') cm++;
    if (arr[i] == '1') a++;
    if (brr[i] == '1') b++;
  }
  if (cm & 1) b--;
  if (a > b)
    printf("First\n");
  else if (a == b || a + 1 == b)
    printf("Draw\n");
  else
    printf("Second\n");
  return 0;
}
