#include <bits/stdc++.h>
using namespace std;
const int maxn = 2000010;
int n, num1, num2, nn, ansa, ansb;
char a[maxn], b[maxn];
int main() {
  scanf("%d", &n);
  scanf("%s%s", a, b);
  for (int i = 0; i < 2 * n; i++)
    if (a[i] == '1' && b[i] == '1')
      nn++;
    else if (a[i] != '1' && b[i] == '1')
      num2++;
    else if (a[i] == '1' && b[i] != '1')
      num1++;
  if (!(nn & 1)) {
    if (num1 + 1 == num2 || num1 == num2) {
      printf("Draw\n");
      return 0;
    }
    if (num1 + 1 < num2) {
      printf("Second\n");
      return 0;
    }
    if (num1 > num2) {
      printf("First\n");
      return 0;
    }
  }
  if ((nn & 1)) {
    if (num1 + 2 == num2 || num1 + 1 == num2) {
      printf("Draw\n");
      return 0;
    }
    if (num1 < num2) {
      printf("Second\n");
      return 0;
    }
    if (num1 >= num2) {
      printf("First\n");
      return 0;
    }
  }
  return 0;
}
