#include <bits/stdc++.h>
using namespace std;
char g[2000200], g1[2000200];
int main() {
  int n;
  scanf("%d", &n);
  scanf("%s", g);
  scanf("%s", g1);
  int cnt = 0;
  int cnt1 = 0;
  int sum = 0;
  for (int i = 0; i < 2 * n; i++) {
    if (g[i] == '1' && g1[i] == '1') {
      sum++;
    }
    if (g[i] == '1' && g1[i] == '0') {
      cnt++;
    }
    if (g[i] == '0' && g1[i] == '1') cnt1++;
  }
  int num = 0, num1 = 0;
  if (sum % 2 != 0) {
    if (cnt >= cnt1) {
      printf("First");
    }
    if (cnt == cnt1 - 1) printf("Draw");
    if (cnt1 > cnt + 1) {
      if (cnt1 == cnt + 2)
        printf("Draw");
      else
        printf("Second");
    }
  } else {
    if (cnt > cnt1 - 1) {
      if (cnt == cnt1)
        printf("Draw");
      else
        printf("First");
    }
    if (cnt == cnt1 - 1) printf("Draw");
    if (cnt < cnt1 - 1) printf("Second");
  }
  return 0;
}
