#include <bits/stdc++.h>
char s1[2100000], s2[2100000];
int main() {
  int n, i, sum1 = 0, sum2 = 0, sum3 = 0, ans1 = 0, ans2 = 0;
  scanf("%d", &n);
  scanf("%s%s", s1, s2);
  for (i = 0; i < n * 2; i++) {
    if (s1[i] == '1' && s2[i] == '1') sum1++;
    if (s1[i] == '1' && s2[i] == '0') sum2++;
    if (s1[i] == '0' && s2[i] == '1') sum3++;
  }
  for (i = 1; i <= n; i++) {
    if (sum1 > 0) {
      ans1++;
      sum1--;
    } else if (sum2 > 0) {
      ans1++;
      sum2--;
    } else if (sum3 > 0) {
      sum3--;
    }
    if (sum1 > 0) {
      ans2++;
      sum1--;
    } else if (sum3 > 0) {
      ans2++;
      sum3--;
    } else if (sum3 > 0) {
      sum2--;
    }
  }
  if (ans1 < ans2)
    printf("Second\n");
  else if (ans1 > ans2)
    printf("First\n");
  else
    printf("Draw\n");
  return 0;
}
