#include <bits/stdc++.h>
char s[2222222], t[2222222];
int main() {
  int n, num, num1, num2;
  while (~scanf("%d", &n)) {
    getchar();
    gets(s);
    gets(t);
    num = num1 = num2 = 0;
    for (int i = 0; i < 2 * n; i++) {
      if (s[i] == '1' && t[i] == '1') num++;
      if (s[i] == '1' && t[i] == '0') num1++;
      if (s[i] == '0' && t[i] == '1') num2++;
    }
    if (num % 2 == 0) {
      if (num1 == num2 || num2 == num1 + 1)
        printf("Draw\n");
      else if (num1 < num2)
        printf("Second\n");
      else
        printf("First\n");
      return 0;
    }
    num1++;
    if (num1 == num2 || num2 == num1 + 1)
      printf("Draw\n");
    else if (num1 > num2)
      printf("First\n");
    else
      printf("Second\n");
  }
  return 0;
}
