#include <bits/stdc++.h>
using namespace std;
const int MAXN = 2001000;
char A[MAXN], B[MAXN];
int N;
int go() {
  scanf("%d", &N);
  scanf("%s", A);
  scanf("%s", B);
  int a = 0, b = 0, c = 0;
  for (int i = 0; i < 2 * N; ++i) {
    if (A[i] == '1' && B[i] == '1')
      ++c;
    else if (A[i] == '1')
      ++a;
    else if (B[i] == '1')
      ++b;
  }
  a -= b;
  c %= 2;
  if (c == 1) {
    if (a >= 0)
      return 1;
    else if (a == -1 || a == -2)
      return 0;
    else
      return -1;
  } else {
    if (a > 0)
      return 1;
    else if (a == 0 || a == -1)
      return 0;
    else
      return -1;
  }
}
int main() {
  int ans = go();
  if (ans == -1)
    printf("Second\n");
  else if (ans == 0)
    printf("Draw\n");
  else
    printf("First\n");
  return 0;
}
